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Bio 105 Lab 9 Vocab

Terms in this set (9)

Population genetics
The study of gene frequencies and their changes within a population.
Gene
Unit of heredity
Loci
Physical locations of genes on the chromosomes
Allele
Alternative form of a gene
gene pool
Total of the alleles if all the individuals in a population.
Founder Effect
Cause of genetic drift due to colonization by a limited number individuals who, by chance, have a different allele frequency as the original population.
Genetic Drift
Mechanism of evolution due to random changes in the allelic frequencies of a population.
Heterozygote advantage
Situation in which individuals heterozygous for a trait have a selective advantage over those who are homozygous dominant or recessive.
Carrier
Heterozygous individual who has no apparent abnormality but can pass an allele for a recessively inherited genetic disorder to his/her offspring.
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