The theory of independent assortment
a. cannot be demonstrated in a monohybrid cross.
b. is illustrated by the behavior of linked genes.
c. indicates that the expression of one gene is independent of the action of another gene.
d. states that alleles for the same characteristic separate during meiosis.
e. is negated by epistasis
A
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The material responsible for transformation was shown to be DNA by
A. Watson and Crick. B. Avery, MacLeod, and McCarty. C. Lederberg. D. Stanley.
Which one of the following is not one of the major elements that make up 96 percent of all
living organisms?
a. carbon b. oxygen c. helium d. nitrogen
The behavior in which an animal mates for life is
A. monogamy. B. bigamy. C. monology. E. polyploidy. D. polygamy.
Sexual dimorphism is a good predictor of mating systems because:
a) sexual dimorphism causes a difference in parental investment between males and females which results in different variance in reproductive success; therefore when one is known the other can be inferred. b) when males are bigger than females, males are able to contribute more to their offspring than females resulting in polyandry; therefore, sexual dimorphism determines mating system. c) mating systems cause variance in reproductive success which results in sexual dimorphism; there for when one is known the other can be inferred. d) the degree of sexual dimorphism and the type of mating system present in a species are both determined by the difference in parental investment between the male and female; therefore when one is known the other can be inferred. e) only polygynous mating systems exhibit sexual dimorphism, so if sexual dimorphism is present the mating system is known.