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Gene's and their Evolution chapter 4 population genetics
Terms in this set (37)
A local population of organisms that have similar genes, interbreeding, and produce offspring.
All of the genetic information in a breeding population.
Any circumstance that prevents two populations from interbreeding and exchanging genetic material, such as when two populations are separated by a large body of water or a major mountain range.
Small-scale Evolution, such as changes in the allele frequency, that occurs from one generation to the next.
Large-scale Evolution, such as the speciation events, occurs after hundreds of thousands of years and generations.
A condition in which system is stable, balance, I'm changing.
A mathematical model in population genetics the reflects the relationship between frequencies of alleles and the genotypes of a colon and can be used to determine whether a population is undergoing evolutionary changes.
Hardy Weinberg law of equilibrium
Replacement of a single nitrogen base with another base, which may or may not affect the amino acid for which the triplets codes.
Neutral point mutation in which substitute nitrogen base created triple-coated to produce the same amino acids that are the original triplet forms
Synonymous point mutation
A point mutation that creates a triplet codon to produce a different amino acid from that of the original triplet.
Nonsynonymous point mutation
The change in a gene due to the insertion or deletion of one or more nitrogen bases which causes the subsequent triplets to be rearranged in the codon to be read incorrectly during the translation.
Mobile pieces of DNA that can copy themselves into entirely new areas of the chromosomes.
a chromosomal Trisomy in which males have an extra X chromosome, resulting in an xxy condition, affected individuals to feel like they have reduced fertility
Random changes in the DNA that occurred during cell division.
Refers to the mutations in the DNA resulting from exposure to toxic chemicals or to radiation.
Social Service, such as toxins, chemicals, or radiation, that may induce genetic mutations.
spontaneous mutations can affect only physical appearances or can have healthy consequences, sometimes extreme ones.
Average number of Offspring produced by a parent with a particular genotype compared to the number of Offspring produced by the parents of another genotype.
Selection for one allele over another allele causing the allele frequency to shift in One Direction
Selection against the extreme of the meaning of phenotypic distribution, decreasing the genetic diversity for this trade in the population.
selection for both extremes of the phenotypic distribution, may eventually lead to a speciation event
Refers to an individual with high concentrations of melanin.
refers to an individual with a low concentration of melanin
Process in which advantage of genetic variation quickly increase the frequency in a population.
Internet Explorer disorder in which the red blood cells become deformed and sickle-shaped, decreasing the ability to carry oxygen to tissues.
Sickle cell anemia
condition of insufficient iron in the blood lead to the destruction of the red blood cells resulting from genetic blood disease, taxes, or infectious pathogens.
Hemoglobin altered so that it is less efficient in binding to and carry oxygen.
situation which collection contains two or more phenotype for a specific Gene in a population.
refers to an effect caused by humans.
A group of related genetic blood diseases characterized by abnormal hemoglobin
Jacquetta season with my hemoglobin is improperly synthesize, causing the red blood cells to have a much shorter life span.
an enzyme that aids in the proper function of red blood cells, it's official, a genetic condition, leads to hemolytic anemia
Glucose-6-phosphate dehydrogenase G6PD
Refers to a population in which individuals braids only with other members of the population
refers to a population in which individuals breed only with non members of the population
the accumulation of random genetic changes in a small population that has become isolated from the parent population due to the genetic input of only a few colonizers
A rare genetic disease in which the central nervous system degenerates and the individual loses control over voluntary movements, if it's often appear in between ages 30 and 50
The exchange of genetic maitreya between two or more populations
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