Short Answer
When a population shrinks, causing low genetic variation or the fixation of a harmful allele, a genetic ____________________ has occurred.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q34: In any given population the genotype frequency
Q35: If the phenotypic distribution of a population
Q36: Genetic drift can result in the fixation
Q37: _ is the only mechanism of evolutionary
Q38: In a population of 100,000 flies, 30,000
Q40: Two populations of geese live near each
Q41: New alleles arise by<br>A)nonrandom mating.<br>B)allele frequency.<br>C)genetic drift.<br>D)mutation.
Q42: Scientists have hypothesized that the reason European
Q43: Two-way gene flow increases the differences between
Q44: A gene has two alleles, B and