Changes in allelic frequencies due to genetic drift are
a. random and unpredictable
b. nonrandom and predictable
c. uniform from generation to generation
a
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An advantage that deuterostomes have over protostomes is that each embryonic cell retains the capacity to develop into a complete individual.
Answer the following statement true (T) or false (F)
Which of the following causes mutations by creating thymine dimers?
A. nucleotide analogs B. nitrous acid C. ultraviolet light D. benzopyrene E. gamma rays
A method used to link genetic markers with specific genes on chromosomes is called _____________. Fill in the blank(s) with the appropriate word(s)
Persons who desire romantic and sexual relationships with those of the same gender are
A. homosexual. B. intersexual. C. heterosexual. D. All of the above are correct.