The exchange of genetic material during crossing over causes which of the following?

A) homozygosity B) genetic variation C) heterozygosity D) stasis


Answer: B

Biology & Microbiology

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As a population geneticist, you find a species of snails with more genetic diversity than humans. What does this mean?

A. The snails have more genes on their chromosomes than humans. B. There is more variety in gene pool of snails than humans. C. The snails have more DNA than humans. D. The snails have more mutations occurring than humans. E. There is not enough information to answer the question.

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The RNA molecule is made up of how many strands?

a. 1 b. 2 c. 3 d. 6 e. 12

Biology & Microbiology

Which of the following molecules is LEAST like the other three in terms of function? 

A. NAD B. ATP C. FAD D. NADP

Biology & Microbiology

Aflatoxin poisoning is associated with liver cancer

Indicate whether the statement is true or false

Biology & Microbiology