A random change in allele frequency over time that is brought about by chance alone is known as ____
a. genetic drift
b. gene flow
c. natural selection
d. disruptive selection
e. balanced polymorphism
ANSWER: a
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Each unique combination of nucleotides on a Y chromosome constitutes a Y-chromosome:
A. mutation. B. mutation sequence. C. haploid mutation. D. haploid genotype. E. haploid sequence.
What are the total gross (not net) final products from one molecule of glucose after glycolysis?
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What is a goal of human therapeutic cloning?
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In metabolic reactions, enzymes: