Study sets matching "term:genetic drift = a change in the gene pool of a population due to chance"

Study sets
Classes
Users

Study sets matching "term:genetic drift = a change in the gene pool of a population due to chance"

Genetic Drift and Gene Flow
Genetic Drift
-The Bottleneck Effect
Results of the Bottleneck Effect
-The Founder Effect
a change in the gene pool of a population due to chance
genetic drift due to drastic reduction in population size.
reduced the overall genetic variability in a population becau…
type of genetic drifting resulting from the establishment of…
Genetic Drift
a change in the gene pool of a population due to chance
-The Bottleneck Effect
genetic drift due to drastic reduction in population size.
Chapter 11-The Evolution of Populations
gene pool
genetic drift
genetic equilibrium
genetic variation
collection of alleles found in all of the individuals of a po…
change in allele frequencies due to chance alone occurring mo…
...
...
gene pool
collection of alleles found in all of the individuals of a po…
genetic drift
change in allele frequencies due to chance alone occurring mo…
10 terms
Genetic Drift and Gene Flow
Mutation
Emigration
Immigration
Gene Flow
A change in the sequence of DNA. A mutation can impact the ph…
Movement of individuals out of a population.
Movement of individuals into a population.
The movement of alleles from one population to another.
Mutation
A change in the sequence of DNA. A mutation can impact the ph…
Emigration
Movement of individuals out of a population.
Section A: Gene Pool
Natural Selection
Genetic Drift
Founder Effect
Bottleneck Effect
Individuals success caused by variation in inherited characte…
Changes to allele frequency as a result of chance
genetic drift caused by small number of individuals separatio…
Reduction in population size resulting in genetic drift
Natural Selection
Individuals success caused by variation in inherited characte…
Genetic Drift
Changes to allele frequency as a result of chance
Genetic Drift
alleles
evolution
genetic drift
founder effect
variations of genes; different forms of a gene
change in the heritable traits of a population from one gener…
allele frequencies in a population change as a result of rand…
when a small group of individuals leaves a population and col…
alleles
variations of genes; different forms of a gene
evolution
change in the heritable traits of a population from one gener…
12 terms
Genetic Drift
alleles
evolution
genetic drift
founder effect
variations of genes; different forms of a gene
change in the heritable traits of a population from one gener…
allele frequencies in a population change as a result of rand…
when a small group of individuals leaves a population and col…
alleles
variations of genes; different forms of a gene
evolution
change in the heritable traits of a population from one gener…
How populations evolve
population
Sources of Genetic Variation
gene pool
MECHANISMS OF MICROEVOLUTION
Is a group of individuals of the same species living in the s…
mutation, recombination during meiosis
all alleles of all individuals making up a population
Genetic drift (random death or survival)... Gene flow (migration…
population
Is a group of individuals of the same species living in the s…
Sources of Genetic Variation
mutation, recombination during meiosis
11 terms
Genetic Drift
alleles
evolution
genetic drift
founder effect
variations of genes; different forms of a gene
change in the heritable traits of a population from one gener…
allele frequencies in a population change as a result of rand…
when a small group of individuals leaves a population and col…
alleles
variations of genes; different forms of a gene
evolution
change in the heritable traits of a population from one gener…
5 terms
Population Genetics
Population
Gene pool
Migration
Genetic Drift
A group of individuals that belong to the same species and li…
All of the alleles in all the individuals that make up a popu…
A group moving together from one place to another
A change in the gene pool of a population due to chance
Population
A group of individuals that belong to the same species and li…
Gene pool
All of the alleles in all the individuals that make up a popu…
Evolution of Populations
gene pool
relative frequency
genetic drift
Hardy-Weinberg Principle
All of the alleles in all the individuals that make up a popu…
Number of times an allele occurs in a gene pool compared with…
A change in the gene pool of a population due to chance
p2 +2pq + q2 = 1; 5 conditions must be met
gene pool
All of the alleles in all the individuals that make up a popu…
relative frequency
Number of times an allele occurs in a gene pool compared with…
Mechanisms of Evolution
Gene flow
Genetic drift
Bottleneck effect
Founder effect
exchange of genes between populations
A change in the gene pool of a population due to chance
A change in allele frequency following a dramatic reduction i…
Genetic drift that occurs after a small number of individuals…
Gene flow
exchange of genes between populations
Genetic drift
A change in the gene pool of a population due to chance
Gene Pool Change
Micro Evolution
Micro Evolution is caused by
Mutations
Genetic drift
gradual change in gene frequencies within a population
mutations, genetic drift, gene flow, non-random mating, and n…
-occur in somatic cells... -inherited if in gamates
-changes in gene pool in a small population due to chance eve…
Micro Evolution
gradual change in gene frequencies within a population
Micro Evolution is caused by
mutations, genetic drift, gene flow, non-random mating, and n…
10 terms
14.3-14.5
Popultation
Variation
Artificial selection
gene pool
D. group of individuals of the same species living in a parti…
D. difference among members of a species... S. You need only loo…
D. selective breeding of domesticated plants and animals to p…
D. all of the alleles in all the individuals that make up a p…
Popultation
D. group of individuals of the same species living in a parti…
Variation
D. difference among members of a species... S. You need only loo…
Genetic Drift
gene pool
gene flow
gene frequency
genetic variation
All of the alleles in a populations genes
Movement of alleles from one population to another
how often a particular gene occurs in the population
The variety of different types of genes in a species or popul…
gene pool
All of the alleles in a populations genes
gene flow
Movement of alleles from one population to another
Chapter 14.4
gene pool
microevolution
Hardy-Weinberg equilibrium
genetic drift
consists of all alleles in all the individuals hat make up a…
evolution on the smallest scale-a generation-to-generation ch…
contrast to microevolution, populations that do not undergo c…
a change in the gene pool of a population due to chance
gene pool
consists of all alleles in all the individuals hat make up a…
microevolution
evolution on the smallest scale-a generation-to-generation ch…
10 terms
Vocabulary 14.3-14.5
population
variation
artificial selection
Gene pool
D: group of individuals of the same species living in a parti…
D: difference among members of a species... S: Just as no two p…
D: selective breeding of domesticated plants and animals to p…
D: all of the alleles in all the individuals that make up a p…
population
D: group of individuals of the same species living in a parti…
variation
D: difference among members of a species... S: Just as no two p…
11 terms
The Causes of Gene Pool Change
Genetic Diversity
Mutation
Gene Flow
Non-random Mating
Degree of genetic variation within a species or population.
A permanent change in a cell's DNA.
Net movement of alleles from one population to another due to…
Mating among individuals on the basis of mate selection for a…
Genetic Diversity
Degree of genetic variation within a species or population.
Mutation
A permanent change in a cell's DNA.
Genetics
Gene pool
Allele frequency
Genetic diversity
Gene
The gene pool is all alleles present in the population
Allele frequency is the number of times an allele occurs in t…
Genetic diversity is the range of alleles in the gene pool. T…
A gene is a length of dna that codes for a protein
Gene pool
The gene pool is all alleles present in the population
Allele frequency
Allele frequency is the number of times an allele occurs in t…
Cause of Gene Pool change
Mutation
Back mutation
Gene flow
Non random mating
Change to the DNA... Heritable mutations may diversify a gene po…
Reverse an earlier mutation back to the original form
Net movement of alleles from one population to another due to…
Individuals may choose mates based on physical and behavioral…
Mutation
Change to the DNA... Heritable mutations may diversify a gene po…
Back mutation
Reverse an earlier mutation back to the original form
19.2 the causes of gene pool change
Genetic diversity
Gene flow
Non-random mating
Genetic drift
degree of genetic variation within a species of a population
Describes the net movement of alleles from one population to…
Mating among individuals on the basis of mate selection for a…
Change in allele frequencies due to chance events in a small…
Genetic diversity
degree of genetic variation within a species of a population
Gene flow
Describes the net movement of alleles from one population to…
Evolution
Gene pool
Genetic bottleneck
Founder effect
Genetic drift
All the alleles in all the individuals that make up a populat…
Random event: Causes s large population decline resulting in…
When a small group from a population colonize a new location…
A change in the gene pool of a population due to chance
Gene pool
All the alleles in all the individuals that make up a populat…
Genetic bottleneck
Random event: Causes s large population decline resulting in…
Biology Ch. 14
artificial selection
gene pool
biological fitness
genetic drift
when a farmer breeds only his best livestock, the process inv…
the combined alleles of all the individuals that make up a po…
the ability of the individual to contribute to the gene pool…
a change in the gene pool of a population due to chance is __…
artificial selection
when a farmer breeds only his best livestock, the process inv…
gene pool
the combined alleles of all the individuals that make up a po…
14.4
4 changes in gene pool
Gene pool
Microevolution
Hardy Weinberg equilibrium
Genetic drift: A change in a gene pool of a population due to…
Consist of all the alleles in all the individuals that make u…
Evolution of a smaller scale I generation to generation chang…
In contrast to microevolution populations I did not undergo c…
4 changes in gene pool
Genetic drift: A change in a gene pool of a population due to…
Gene pool
Consist of all the alleles in all the individuals that make u…
8 terms
Biology Terms
Homology
Evolutionary Tree
Microevolution
Gene Pool
Similar Characteristics coming from common ancestry
A diagram that shows evolutionary relationships
A change in the gene pool of a species
Copies of alleles on every locus in a population
Homology
Similar Characteristics coming from common ancestry
Evolutionary Tree
A diagram that shows evolutionary relationships
6 terms
Microevolution is a Change in a Population's Gene Pool
Gene pool
Microevolution
Hardy-Weinberg equilibrium
Genetic drift
All of the alleles in all the individuals that make up a popu…
...
...
...
Gene pool
All of the alleles in all the individuals that make up a popu…
Microevolution
...
The Changing Gene Pool
Natural Selection
Genetic Drift
Gene Flow
Nonrandom Mating
the result of differential reproductive success of individual…
changes to allele frequency as a result of chance
the movement of alleles from one population to another throug…
two individuals in a population that mated is not the same fo…
Natural Selection
the result of differential reproductive success of individual…
Genetic Drift
changes to allele frequency as a result of chance
Biology Vocab 14.3-14.5
population
variation
artificial selection
gene pool
D: group of individuals of the same species living in a parti…
D: differences among members of a species ... S: Much of this VA…
D: selective breeding of domesticated plants and animals to p…
D: all of the alleles in all the individuals that. make up a…
population
D: group of individuals of the same species living in a parti…
variation
D: differences among members of a species ... S: Much of this VA…
Mechanisms of Evolution
Gene flow
Genetic drift
Bottleneck effect
Founder effect
Movement of alleles into or out of a population due to the mi…
A change in the gene pool of a population due to chance
Genetic drift resulting from the reduction of a population, t…
Change in allele frequencies as a result of the migration of…
Gene flow
Movement of alleles into or out of a population due to the mi…
Genetic drift
A change in the gene pool of a population due to chance
14-4(biology)
Gene pool
Micro-evolution
Hardy-Weinberg equilibrium
Genetic drift
All the alleles of individuals that make up a population
Is evolution in a small scale (generation to generation)
Populations that do not undergo change in their population
Change in a populations gene pool due to chance
Gene pool
All the alleles of individuals that make up a population
Micro-evolution
Is evolution in a small scale (generation to generation)
8 terms
Genetic Change Key Terms
gene pool
genetic diversity
allele frequency
evolution
the total stock of different genes in an interbreeding popula…
refers to the total number of genetic characteristics in the…
the percentage of a population of a species that carries a pa…
a gradual process in which something changes into a different…
gene pool
the total stock of different genes in an interbreeding popula…
genetic diversity
refers to the total number of genetic characteristics in the…
9 terms
19.2 The Causes of Gene Pool Change
Genetic diversity
Mutation
Gene flow
Non-random mating
Degree of genetic variation within a species or population
A permanent change in a cell's DNA; includes changes in nucle…
Net movement of alleles from one population to another due to…
Mating among individuals on the basis of mate selection for a…
Genetic diversity
Degree of genetic variation within a species or population
Mutation
A permanent change in a cell's DNA; includes changes in nucle…
4-5 EVOLUTION OF POPULATION
Part 1- Gene Pools
Part 2- Deadly Alleles in a Gene Pool
Part 3- Relative Frequencies of Alleles
Part 4- Genetic Drift
ALL the genes and ALL the different alleles within a populati…
a) A disease causing recessive allele will kill a homozygous…
The number of times that an allele of a gene occurs in a gene…
The random change in allele frequencies that occur in small p…
Part 1- Gene Pools
ALL the genes and ALL the different alleles within a populati…
Part 2- Deadly Alleles in a Gene Pool
a) A disease causing recessive allele will kill a homozygous…
10 terms
14.3-14.5
population
variation
artificial selection
Gene pool
D: group of individuals of the same species living in a parti…
D: difference among members of a species... S: Just as no two p…
D: selective breeding of domesticated plants and animals to p…
D: all of the alleles in all the individuals that make up a p…
population
D: group of individuals of the same species living in a parti…
variation
D: difference among members of a species... S: Just as no two p…
7 terms
Biology: U7L13
evolution
gamete
gene flow
gene pool
genetic change in a population or species over many generations
male and female reproductive cells (egg and sperm cells)
mechanism of evolution that suggests traits can be shifted be…
all of the genes present in a specific population
evolution
genetic change in a population or species over many generations
gamete
male and female reproductive cells (egg and sperm cells)
5 terms
Biology- Evolution Vocabulary A
evolution
natural selection
genetic drift
gene flow
change in species over time
method of evolution caused by adaptations to the environment
changes in the gene pool of small populations due to chance
the loss or gain of alleles in a population due to migration
evolution
change in species over time
natural selection
method of evolution caused by adaptations to the environment
6 terms
Microevolution
Natural Selection
Genetic Drift
Founder Effect
Bottleneck Effect
survival of the fittest
change in a gene pool due to chance events like disasters, wa…
few individuals inhabit a new place... - small gene pool (amish)…
natural disasters drastically reduce the size of a population…
Natural Selection
survival of the fittest
Genetic Drift
change in a gene pool due to chance events like disasters, wa…
Bio 14.3/14.4/14.5
Population
Artificial selection
Variation
Gene pool
D:a group of individuals of the same species living in the sa…
D:the selective breeding of domesticated plants and animals t…
D: refers to differences among members of the same species.…
D:all of the alleles in all the individuals that make up a po…
Population
D:a group of individuals of the same species living in the sa…
Artificial selection
D:the selective breeding of domesticated plants and animals t…
9 terms
Micro-macroevolution (7.5-7.8)
Sexual recombination
Darwinian fitness
Genetic drift
Gene flow
Produces new arrangements of existing DNA
Contribution that an individual makes to the gene pool
Change in gene pool due to chance
When individuals migrate or emigrate out of a population and…
Sexual recombination
Produces new arrangements of existing DNA
Darwinian fitness
Contribution that an individual makes to the gene pool
Evolution-set 5
Gene Pool
Genetic Drift
Bottleneck Effect
Founder Effect
all the alleles in all individuals that make up a population
changes in the gene pool due to random chance
-drastic reduction in a population due to natural disasters p…
- few individuals colonize ... -population of new population may…
Gene Pool
all the alleles in all individuals that make up a population
Genetic Drift
changes in the gene pool due to random chance
genetic drift
genetic drift
population bottleneck
founder effect
allele frequency
allele frequencies in a population change as a result of rand…
is a sharp reduction in the size of a population due to envir…
when a small group of individuals leaves a population and col…
proportion of a gene copies in a population that are a given…
genetic drift
allele frequencies in a population change as a result of rand…
population bottleneck
is a sharp reduction in the size of a population due to envir…
Diversity in Gene Pools
diversity
genes
gene pool
genetic drift
having a variety of tratis
sections of DNA that determine traits
the total number of different genes available to a species
a process that changes the gene pool just Bc of chance
diversity
having a variety of tratis
genes
sections of DNA that determine traits
6 terms
11.3 Other Mechanisms of Evolution
Gene flow
Gene flow
Gene Flow
Genetic Drift
The movement of alleles between populations
Increase the genetic varaition of the recieving population
Between neighboring populations keeps their gene pools similar
These changes in allele frequencies that are due to chance
Gene flow
The movement of alleles between populations
Gene flow
Increase the genetic varaition of the recieving population
8 terms
Bio ch11 first
Allele frequency
Speciation
Gene flow
gene pool
how common an allele is in the population
formation of new species
Exchange of genes with another population
alleles from all individuals in a population
Allele frequency
how common an allele is in the population
Speciation
formation of new species
7 terms
Evolution
Interspecific competition
Intraspecific competiton
Adaptive trait
Gene flow
Competition between different species of animals due to lack…
Competiton between the same species due to lack of resources
Heritable trait that gives the species a higher survival rate
Occurs when alleles transfer from population to another becau…
Interspecific competition
Competition between different species of animals due to lack…
Intraspecific competiton
Competiton between the same species due to lack of resources
7 terms
Bio genetic drift SGI
Genetic drift
punctuated equilibrium
gradualism
stasis
alteration of allelic frequencies in a population by chance e…
Populations stay stable for long periods of time, interrupted…
A proposed explanation in evolutionary biology stating that n…
a state of static balance or equilibrium; stagnation: remains…
Genetic drift
alteration of allelic frequencies in a population by chance e…
punctuated equilibrium
Populations stay stable for long periods of time, interrupted…
bio 12
allele
genetic drift
hardy weinberg principle
inclusive fitness
different forms of a gene
changes in composition of gene pool due to chance
p+q = 1... p^2 + 2pq + q^2 = 1
measure of organism's success in population
allele
different forms of a gene
genetic drift
changes in composition of gene pool due to chance
6 terms
Biology chapter 14.4
Gene Pool
Microevolution
Hardy-Weinberger Equilibrium
Genetic Drift
All of the alleles in all the individuals that make up a popu…
Evolution on the smallest scale- a generation-to-generation c…
Condition that occurs when the frequency of alleles in a part…
Change in the gene pool of a population due to chance
Gene Pool
All of the alleles in all the individuals that make up a popu…
Microevolution
Evolution on the smallest scale- a generation-to-generation c…
biological diversity
endosymbiosis
microevolution
5 factors that cause microevolution
genetic drift
eurkaryotes consume bacteria and incorporate some genes into…
change in a gene pool
mutation, sexual recombination, genetic drift, gene flow, nat…
fluctuation of a small population due to chance
endosymbiosis
eurkaryotes consume bacteria and incorporate some genes into…
microevolution
change in a gene pool
Bology (14.4)
gene pool
microevolution
Hardy-Weinberg equilibrium
genetic drift
all of the alleles in all the individuals that make up a popu…
evolution on the smallest scale—a generation-to-generation ch…
condition that occurs when the frequency of alleles in a part…
change in the gene pool of a population due to chance
gene pool
all of the alleles in all the individuals that make up a popu…
microevolution
evolution on the smallest scale—a generation-to-generation ch…
6 terms
Vocab 14.4
Gene Pool
Microevolution
Hardy-Weinberg equilibrium
Genetic Drift
all of the alleles in all the individuals that make up a popu…
evolution on the smallest scale—a generation-to-generation ch…
condition that occurs when the frequency of alleles in a part…
change in the gene pool of a population due to chance
Gene Pool
all of the alleles in all the individuals that make up a popu…
Microevolution
evolution on the smallest scale—a generation-to-generation ch…
1 of 10