In a mapping experiment with three linked genes, which phenotype should occur most often in the F2 offspring?
A. Parental phenotypes
B. Phenotypes of individuals with single crossover events
C. Phenotypes of individuals with double crossover events
D. All of the phenotypes should occur equally in the F2 generation
Answer: A. Parental phenotypes
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Whatever the motivation of self-sacrificing behavior
on the part of nonhuman animals is, we have no evidence that it is a. genetic. b. the result of selection. c. derived from conscious reasoning. d. a result of dominance hierarchy. e. related to species-survival strategies.
The two countries that are the largest emitters of greenhouse gasses are
A) Russia and the United States of America. B) Canada and the United States of America. C) China and the United States of America. D) China and Mexico. E) China and India.
Which has the highest reduction potential?
A) NADH. B) Complex I. C) Complex II. D) O2.