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Study sets matching "population genetics"

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Study sets matching "population genetics"

46 terms
Population Genetics
What is a Mendelian population? How is…
What are the predictions given by the…
What assumptions must be met for a pop…
What is random mating?
A group of sexually reproducing individuals mating with each…
States that a large population mating randomly with no effect…
Large population, random mating, and not affected by migratio…
Takes place when genotypes mate with each other according to…
What is a Mendelian population? How is…
A group of sexually reproducing individuals mating with each…
What are the predictions given by the…
States that a large population mating randomly with no effect…
8 terms
Population Genetics
Hardy-Weinberg principle
allopatric speciation
sympatric speciation
adaptive radiation
when frequency of alleles remain constant, a population is in…
a physical barrier divides one population into two or more po…
a species evolves into a new species without a physical barrier
one species gives rise to many species in response to creatio…
Hardy-Weinberg principle
when frequency of alleles remain constant, a population is in…
allopatric speciation
a physical barrier divides one population into two or more po…
65 terms
Population Genetics
Natural Selection
Genetic Drift
Genetic Process which leads to adaptat…
Gene Flow
Increases the frequency of certain alleles
Causes allele frequencies to change randomly.
Natural Selection
Occurs when individuals leave one population, join another, a…
Natural Selection
Increases the frequency of certain alleles
Genetic Drift
Causes allele frequencies to change randomly.
54 terms
Population Genetics
Population genetics
Polymorphism
Genotype Frequency
Hardy-Weinberg Equilibrium
Study of genetic variation in populations
Multiple forms (alleles) of a gene in population (with minor…
let "p" be the functional allele, or the commonly found allel…
Population genetics
Study of genetic variation in populations
Polymorphism
Multiple forms (alleles) of a gene in population (with minor…
18 terms
Population Genetics
Population Genetics
Microevolution
Gene pool
Allele frequency
Study of genetic variation within a population
Change in allele frequency over time
All of the alleles in a population
The relative occurrence of an allele in a population
Population Genetics
Study of genetic variation within a population
Microevolution
Change in allele frequency over time
34 terms
Population Genetics
Alleles
Phenotype
"Genotype determines Phenotype"
Population Genetics
1 copy of that gene. Genotype is all the slightly different v…
Anything that is observable - not just overtly physical but a…
No. Non genetic and epigentic factors influence the activity…
...
Alleles
1 copy of that gene. Genotype is all the slightly different v…
Phenotype
Anything that is observable - not just overtly physical but a…
47 terms
Population Genetics
Adaptive Genes
Candidate Genes
Quantitative Trait Loci
How do you detect candidate loci?
When species are subject to environmental stress; they have t…
looks for genes associated with phenotypes of interest in whi…
a top-down approach that begins with the phenotype in order t…
identify outliers under the "principle that genetic different…
Adaptive Genes
When species are subject to environmental stress; they have t…
Candidate Genes
looks for genes associated with phenotypes of interest in whi…
70 terms
Population Genetics
gene pool
genetic variation
deoxyribonucleic acid
ribonucleic acid
total number of genes (alleles) of every individual in an int…
component of phenotypic variance that is due to genetic diffe…
DNA
RNA
gene pool
total number of genes (alleles) of every individual in an int…
genetic variation
component of phenotypic variance that is due to genetic diffe…
36 terms
Population Genetics
Cladogram
Cladogram
Mutations
Gene Pool
A diagram that is based on patterns of shared, derived traits…
...
A change in the nucleotide sequence of an organism's DNA, ult…
All the genes, including all the different alleles for each g…
Cladogram
A diagram that is based on patterns of shared, derived traits…
Cladogram
...
19 terms
Population Genetics
Hardy Weinburg Formula
Hardy Weinburg Equation
Allele Frequency vs. Genotypic Frequency
Non Random Mating
No migration... No mutation... Large population... Random mating... No na…
p^2 + 2pq + q^2 = 1
Positive Assortative... Negative Assortative... Interbreeding vs. O…
Hardy Weinburg Formula
No migration... No mutation... Large population... Random mating... No na…
Hardy Weinburg Equation
p^2 + 2pq + q^2 = 1
31 terms
Population Genetics
Carrier Screening Panels
Population Genetics
Gene Pool
allele vs genotype frequency
- panels for 100's of conditions ... - prenatally and pre-concep…
- determining mutation frequencies from incidence data... - appl…
- consists of individuals... - look at picture and define allele…
- genotype freq = how frequent are AA, Aa, and aa ... - allele f…
Carrier Screening Panels
- panels for 100's of conditions ... - prenatally and pre-concep…
Population Genetics
- determining mutation frequencies from incidence data... - appl…
45 terms
population genetics
single nucleotide polymorphisms
copy number variations ( deletions, du…
junk DNA
alleles
homologous genomic sequences are compared between people, app…
exons, entire genes, and chromosomal regions are affected. Do…
what kind of DNA is more diverse?
specific variants in polymorphic sites
single nucleotide polymorphisms
homologous genomic sequences are compared between people, app…
copy number variations ( deletions, du…
exons, entire genes, and chromosomal regions are affected. Do…
37 terms
Population Genetics
Microevolution
mutations
point mutation
chromosomal mutation
Change in allele frequencies in a population over generations.
A change in the nucleotide sequence of an organism's DNA, ult…
a mutation in which a single nucleotide base is substituted f…
A change in the structure of a chromosome (e.g., deletion, th…
Microevolution
Change in allele frequencies in a population over generations.
mutations
A change in the nucleotide sequence of an organism's DNA, ult…
19 terms
Population Genetics
What is genotype frequency vs allele f…
What is the equation for Hardy-Weinber…
What are the assumptions of calculatio…
In X-linked genotypes, what are the ge…
Genotype frequency is the frequency of different combinations…
Hardy-weinberg equilibrium is a way to calculate GENOTYPE FRE…
1. large population... 2. no mutations... 3. no selection... 4. random…
Females: same as normal HW equation, because females have 2 X…
What is genotype frequency vs allele f…
Genotype frequency is the frequency of different combinations…
What is the equation for Hardy-Weinber…
Hardy-weinberg equilibrium is a way to calculate GENOTYPE FRE…
36 terms
Population Genetics
What is a gene pool in the context of…
What are races
What's polymorphism?
What is a gene pool?
the collection of all the alleles of that gene in the populat…
major population subgroups whose gene pools differ from each…
Occurrence of two or more clearly different morphs or forms,…
The sum of all genes (alleles) in a population at a given tim…
What is a gene pool in the context of…
the collection of all the alleles of that gene in the populat…
What are races
major population subgroups whose gene pools differ from each…
45 terms
Population Genetics
What is Mendel's First "Law"?
What is Mendel's Second "Law"?
What is a gene?
What is a locus?
Predicts independent segregation of alleles at a single locs:…
Predicts independent assortment of multiple loci: during game…
Unit of particulate inheritance; in contemporary usage means…
Literally "place" or laction in the genome; in cotemporary us…
What is Mendel's First "Law"?
Predicts independent segregation of alleles at a single locs:…
What is Mendel's Second "Law"?
Predicts independent assortment of multiple loci: during game…
16 terms
Population Genetics & Risk
(p^2) + 2pq + (q^2) = 1... p = the freque…
Two ways:... [(64x2)+32]/200 = 160/200 =…
The frequency of all alleles for a gen…
Just take the square root of the incid…
What is the Hardy-Weinberg Equation and what do each of the v…
The following population information has been given for a cer…
While studying gene RMT you discover there are two alleles fo…
For autosomal recessive disorders the frequency of the diseas…
(p^2) + 2pq + (q^2) = 1... p = the freque…
What is the Hardy-Weinberg Equation and what do each of the v…
Two ways:... [(64x2)+32]/200 = 160/200 =…
The following population information has been given for a cer…
28 terms
Population Genetics
What is population genetics?
What can alter the frequency of allele…
What is a population?
What is genetic variation?
Population genetics studies patterns of genetic variation wit…
a) Natural selection... b) Mutation of a gene... c) *Migratio…
A group of individuals belonging to the same species that liv…
When members of a population all contribute to the population…
What is population genetics?
Population genetics studies patterns of genetic variation wit…
What can alter the frequency of allele…
a) Natural selection... b) Mutation of a gene... c) *Migratio…
16 terms
Population Genetics
Evolution (standard def)
Evolution (pop. geneticists def)
gene frequency
Fisher, Haldane, and Wright
any change in the genetic constitution of a population
any change in gene frequency
the frequency of an allele in a population
They laid the mathematical foundation for the theory of popul…
Evolution (standard def)
any change in the genetic constitution of a population
Evolution (pop. geneticists def)
any change in gene frequency
93 terms
Population Genetics
The major architects of Neo-Darwinian…
Bottleneck Effect
Founder Effect
Genetic Drift
R.A. Fisher, Sewell Wright, J.B.S. Haldane... A comprehensive t…
the form of genetic drift that occurs... when the population siz…
when a population is initially established... by a small number…
random change in allelic frequency due to... chance.
The major architects of Neo-Darwinian…
R.A. Fisher, Sewell Wright, J.B.S. Haldane... A comprehensive t…
Bottleneck Effect
the form of genetic drift that occurs... when the population siz…
population genetics
Mutation
Recombination
Gene Flow (Migration)
Genetic Drift
Change in the DNA
Change in the combination of alleles
Change in allele frequencies due to alleles move from one pop…
Change in allele frequencies due to random chance
Mutation
Change in the DNA
Recombination
Change in the combination of alleles
22 terms
Population Genetics
chromosome mutations
regional or subchromosomal mutations
inversion
copy number variant
addition or deletion of entire chromosomes
change only a segment of the chromosome, adding repeats (copy…
change in the order of DNA sequence in a chromosomal region
change in gene dosage
chromosome mutations
addition or deletion of entire chromosomes
regional or subchromosomal mutations
change only a segment of the chromosome, adding repeats (copy…
81 terms
population genetics
loss of genetic variation that occurs…
Ellis-van Creveld (EVC) syndrome MOI
The distinct phenotype exhibited by El…
Pt presents with:... Post-axial polydact…
Founder Effect
AR
Founder Effect
Ellis-van Creveld (EVC) syndrome
loss of genetic variation that occurs…
Founder Effect
Ellis-van Creveld (EVC) syndrome MOI
AR
16 terms
Population genetics
population genetics
natural selection
variation
environmental variances
The study of genetic changes in populations; the science of m…
A process in which individuals that have certain inherited tr…
Any difference between individuals of the same species.
Variation among individuals in a phenotypic trait that is cau…
population genetics
The study of genetic changes in populations; the science of m…
natural selection
A process in which individuals that have certain inherited tr…
43 terms
Population Genetics
Population genetics
Population stratification.
population stratification (for AR diso…
Genetic drift
the study of the distribution of alleles of genes in populati…
The existence in a population of subgroups whose members have…
1) For specific disorders, there will be subgroup specific mu…
The fluctuation in allele frequency due to chance operating o…
Population genetics
the study of the distribution of alleles of genes in populati…
Population stratification.
The existence in a population of subgroups whose members have…
16 terms
Population Genetics
Variation
phenotype
genotype
alleles
minor changes in the phenotype or genotype of individuals
What an organism looks like
The genetic information that an organisation inherits
a version of a gene
Variation
minor changes in the phenotype or genotype of individuals
phenotype
What an organism looks like
20 terms
Population Genetics
individual
population
community
fertile
one organism
A group of individuals that belong to the same species and li…
All the different populations that live together in an area
able to reproduce
individual
one organism
population
A group of individuals that belong to the same species and li…
34 terms
Population Genetics
broad sense variability equation
broad sense variability
narrow sense variability
narrow sense variability equation
H2= Vg/Vp
proportion of phenotypic variance that can be attributed to G…
proportion of the phenotypic variance that can be attributed…
h2=Va/Vp
broad sense variability equation
H2= Vg/Vp
broad sense variability
proportion of phenotypic variance that can be attributed to G…
44 terms
Population Genetics
X-linked -Affected fathers dont have a…
Recurrence risk****
What is the meaning of disorder being…
Huntington disease ! how can it be dif…
Mitochondrial - Affected males dont have any affected offspring
Term for the probability that parents of a child with a genet…
Patients heterozygous to Certain disorders will show some phe…
Huntington disease , even though is dominant , its hard to pr…
X-linked -Affected fathers dont have a…
Mitochondrial - Affected males dont have any affected offspring
Recurrence risk****
Term for the probability that parents of a child with a genet…
8 terms
Population Genetics
Gene Pool
Gene Flow
Genetic Drift
Founder Effect
Combined genetic information of all the members of a particul…
Movement of alleles from one population to another
A change in the allele frequency of a population as a result…
Genetic drift that occurs after a small number of individuals…
Gene Pool
Combined genetic information of all the members of a particul…
Gene Flow
Movement of alleles from one population to another
12 terms
Population Genetics
Evolution
Gene pool
Genetic drift
Founder effect
Change in gene frequencies in a gene pool of a population
All possible alleles in a population
production of random evolutionary changes in a small population
Genetic drift that occurs after a small number of individuals…
Evolution
Change in gene frequencies in a gene pool of a population
Gene pool
All possible alleles in a population
29 terms
Population Genetics
inbreeding (from amish family)
CCR5 (cytokine receptor)
1
pp
This is a prime example of...
delta____ homozygotes have a resistance to HIV infection.
p+q=?
Frequency of homozygote dominant (2 allele)
inbreeding (from amish family)
This is a prime example of...
CCR5 (cytokine receptor)
delta____ homozygotes have a resistance to HIV infection.
101 terms
Population Genetics
Population Genetics
Population Genetics definition of Evol…
Population Genetics definition of Sele…
Population
A set of rules for how variation is maintained in a populatio…
A change in gene frequencies through time
Any consistent difference in fitness among phenotypically dif…
A freely interbreeding group of individuals
Population Genetics
A set of rules for how variation is maintained in a populatio…
Population Genetics definition of Evol…
A change in gene frequencies through time
26 terms
Population Genetics
Population Genetics
Population
Subpopulation
Gene pool
The quantitative study of the distribution of genetic variati…
Group of organisms of the same species living in the same geo…
Small population unit
All alleles in a population
Population Genetics
The quantitative study of the distribution of genetic variati…
Population
Group of organisms of the same species living in the same geo…
8 terms
Population Genetics
population
species
fertile
limiting factors
This is a group of the same species of organism living in the…
This is a group of animals that can interbreed and produce fe…
This means able to produce offspring.
Things like food supply, disease, and predators that restrict…
population
This is a group of the same species of organism living in the…
species
This is a group of animals that can interbreed and produce fe…
19 terms
Population Genetics
Darwinian Evolution
Population Genetics
Gene pool
Population
theory of natural selection(organisms best adapted to the env…
determines the extent of genetic variability within a gene po…
all possible alleles at each locus of each chromosome within…
interbreeding group of organisms of the same species in a par…
Darwinian Evolution
theory of natural selection(organisms best adapted to the env…
Population Genetics
determines the extent of genetic variability within a gene po…
30 terms
Population Genetics
Population
Allele
genotype
population genetics
Individuals of same species live in a particular place at the…
version or variant of a gene
combination of alleles
concerned with the genotype and allele frequencies and their…
Population
Individuals of same species live in a particular place at the…
Allele
version or variant of a gene
32 terms
Population Genetics
Populations
What type of evolution occurs within a…
Acquired trait
Sub species
the same species in the same area at the same time and they i…
Microevolution
trait that is developed and is not heritable
populations that differ but can interbreed
Populations
the same species in the same area at the same time and they i…
What type of evolution occurs within a…
Microevolution
19 terms
Population Genetics
Darwinian Evolution
Population Genetics
Gene pool
Population
theory of natural selection(organisms best adapted to the env…
determines the extent of genetic variability within a gene po…
all possible alleles at each locus of each chromosome within…
interbreeding group of organisms of the same species in a par…
Darwinian Evolution
theory of natural selection(organisms best adapted to the env…
Population Genetics
determines the extent of genetic variability within a gene po…
26 terms
Population Genetics
Genetic equilibrium
Five conditions that must be kept to p…
Variation
Variation does what
An allele frequency in a population tends to remain the same…
1.) Not net mutations to increase variation... 2.) Individuals n…
Due to mutation
Increases the likelihood that at least some member of a speci…
Genetic equilibrium
An allele frequency in a population tends to remain the same…
Five conditions that must be kept to p…
1.) Not net mutations to increase variation... 2.) Individuals n…
34 terms
Exam Review - Population Genetics
Gene Pool
Relative Frequency
Single-Gene Trait
Polygenic Trait
consists of all genes, including all the different alleles, t…
the number of times that the allele occurs in a gene pool com…
a trait controlled by a single gene that has two alleles
trait that is controlled by more than one gene which results…
Gene Pool
consists of all genes, including all the different alleles, t…
Relative Frequency
the number of times that the allele occurs in a gene pool com…
22 terms
Population Genetics
Population
Gene Pool
Frequency
Probability of 2 independent events ha…
Group of interbreeding individuals of the same species in the…
All the alleles carried by all the individuals of a population
# of particular item/total # of items
Product
Population
Group of interbreeding individuals of the same species in the…
Gene Pool
All the alleles carried by all the individuals of a population
16 terms
Population Genetics
population genetics
hardy wienberg equilibrium..what does…
how to use HWP
if you have 40 MM, 30MN, 30NN, what ar…
study of the frequency of alleles in populations
allele frequencies IN THE NEXT GENERATIOn should be similar i…
IN A simple case-- at a single locus with 2 alleles... f(A)=p/…
first how many alleles in totoal... 40---80... 30--60... 30--60... total…
population genetics
study of the frequency of alleles in populations
hardy wienberg equilibrium..what does…
allele frequencies IN THE NEXT GENERATIOn should be similar i…
29 terms
Population Genetics
Polymorphisms
Highly Polymorphic Genes:
Nonpolymorphic Genes:
Single-nucleotide Polymorphisms
An allele present in more than 1% of the population is called…
Such as HLA haplotypes, determines individual characteristics…
Such as histone genes, such as histone genes, code for protei…
Six million single-nucleotide polymorphisms (SNPs) between un…
Polymorphisms
An allele present in more than 1% of the population is called…
Highly Polymorphic Genes:
Such as HLA haplotypes, determines individual characteristics…
21 terms
population genetics
macroevolution
microevolution
population
gene pool
evolution of a new species thru long periods of time (10k+ ye…
genetic changes in a population or gene pool over shorter per…
all organisms of the same species living in the area that can…
all the genes/alleles found in that population
macroevolution
evolution of a new species thru long periods of time (10k+ ye…
microevolution
genetic changes in a population or gene pool over shorter per…
18 terms
Population Genetics
Phenylketonuria (PKU)
Population
Population genetics
Probability
Symptoms: Intellectual disability (IQ pt./week), difficult to…
Set of organisms in which a pair of members can breed togethe…
Branch of genetics dealing with genetic variation and genetic…
Proportion of times that a specific outcome occurs during a s…
Phenylketonuria (PKU)
Symptoms: Intellectual disability (IQ pt./week), difficult to…
Population
Set of organisms in which a pair of members can breed togethe…
15 terms
Population genetics
population
gene pool
allele frequency
gene flow
A group of individuals of the same species that live in the s…
The complete set of alleles present in a population.
The measure of the relative frequency of an allele in a popul…
Movement of alleles into or out of a population due to 'migra…
population
A group of individuals of the same species that live in the s…
gene pool
The complete set of alleles present in a population.
23 terms
Population Genetics
morphology
geographic isolation
microevolution
reproductive isolation
The study of the structure and form of an organism.
The physical separation of populations that prevent interbree…
The slight hereditary alteration of an organism, as by new co…
The inability of members of a population to successfully inte…
morphology
The study of the structure and form of an organism.
geographic isolation
The physical separation of populations that prevent interbree…
16 terms
Population and Genetics
Speciation
Causes of speciation
Allopatric
Reproductive
evolutionary process by which a species separates into two sp…
Enough genetic difference (habits/behavior/traits/genes) that…
a physical barrier that separates a population
a timing, behavioral, or characteristic that makes certain in…
Speciation
evolutionary process by which a species separates into two sp…
Causes of speciation
Enough genetic difference (habits/behavior/traits/genes) that…
15 terms
Population Genetics
Population
Allele frequencies
Non-random mating
Sexual selection -->allele frequencies
A grp of individuals of the same species that live in the sam…
how often certain alleles turn up in a popn. 6 factors that c…
mating that isn't random (limits the frequency of the express…
SS changes gen makeup of a popn b/c the alleles of the most s…
Population
A grp of individuals of the same species that live in the sam…
Allele frequencies
how often certain alleles turn up in a popn. 6 factors that c…
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