During gene flow, an influx of deleterious alleles can speed adaptation within a population
a. true
b. false
Ans: b. false
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If a diploid cell with 40 chromosomes undergoes meiosis, each of the daughter nuclei would have
______ chromosomes.
a. 10 b. 20 c. 40 d. 60 e. 80
In the technique of artificial twinning,
a. two embryos are fused. b. an embryo is teased apart. c. two sperm are used to fertilize a single egg. d. two eggs and two sperm are used to form two embryos. e. an embryo’s nucleus is removed and replaced with an adult embryo
Which of the following is not true of an
individual with complete androgen insensitivity syndrome? a. She has female genitalia. b. She has testes. c. She is XY. d. She does not have ovaries. e. All of these are true
Which molecule can enter the Krebs cycle reactions?
a. glucose
b. pyruvate c. carbon dioxide d. NADH e. acetyl-CoA