About ____ couples are affected by infertility
a. 0.5% of
b. 1 in 6
c. 1 in 10
d. 1 in 100
e. 25% of
a
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Assume that having three nostrils is inherited as a sex-linked trait on the Y chromosome. A man with three nostrils has a daughter who has a son with a man who has only two nostrils. What is the probability that the three-nostril man's grandson has three nostrils?
A. 25% B. 0% C. 100% D. 50%
At the most fundamental of levels, differences in life histories (that is, reproductive strategies) are trade-offs that are based on differences in the ________
A) onset of reproductive maturity B) reproductive sizes of the individuals C) allocation of energy between individuals D) average number of offspring produced over the life span of individuals
Who disproved the "broth-to-microorganisms" hypothesis?
A) Sidney Altman B) Louis Pasteur C) Stanley Miller D) Alexander Oparin E) Francisco Redi
Mitochondrial DNA profiling is useful in developing DNA profiles from samples that are in less than ideal condition. What is a major limitation of using mitochondrial DNA profiling?
A) It is not possible to differentiate between maternal relatives. B) It is useful in identifying victims of disasters when relatives are available for reference. C) It is possible to differentiate between maternal relatives. D) It is present in high copy number.