What is it called when the gene pool is fluxing because of the migration of individuals?
a. natural selection
b. mutation
c. gene flow
d. genetic drift
c. gene flow
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The figure above shows the distribution of pocket-mouse coat colors in several Arizona populations found either on light-colored granite substrate or on dark volcanic rock (dark substrate)
The Melanocortin-1 receptor (Mc1r) alleles, D and d, differ by four amino acids. Mice with DD and Dd genotypes have dark coats, whereas mice with the dd genotype are light colored. What sort of genotype frequencies might you expect to find in the Xmas, Mid, and O'Neill populations? A) Xmas-high DD frequency; Mid-high Dd frequency, O'Neill-high dd frequency B) Xmas-high Dd frequency; Mid-high DD frequency, O'Neill-high dd frequency C) Xmas-high Dd frequency; Mid-high dd frequency, O'Neill-high DD frequency D) Xmas-high dd frequency; Mid-high Dd frequency, O'Neill-high DD frequency E) Xmas-high dd frequency; Mid-high DD frequency, O'Neill-high Dd frequency
According to our text, increasing the share of household income controlled by women changes spending in ways that increase benefits to
A) children. B) men. C) pets. D) businesses.
What area of water serves as nursery grounds for many species of marine fishes and invertebrates?
A. Photic zones B. Benthic zones C. Estuaries D. Pelagic zones E. Limnetic areas
Linked genes are genes that _______.
A. reside on the sex chromosomes B. have the same alleles residing on them C. are on the same chromosomes D. govern traits (such as hair texture and hair color) that are functionally related