Coral reefs consist of __________ polyps, which duplicate via __________ reproduction
a. identical; asexual
b. identical; sexual
c. unique; asexual
d. unique; sexual
A
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DNA sequences in many human genes are very similar to the sequences of corresponding genes in chimpanzees. The most likely explanation for this result is that
A. convergent evolution led to the DNA similarities. B. humans evolved from chimpanzees. C. humans and chimpanzees share a relatively recent common ancestor D. humans and chimpanzees are not closely related. E. chimpanzees evolved from humans.
Which cartilage forms the "Adam's apple"?
a. cricoid b. cricothyroid c. thyroid d. meniscus e. fibrocartilage
In descriptive statistics, the median is defined as the value exactly in the center of a distribution, with half the values lying above and half lying below
Indicate whether the statement is true or false
Why do X-linked conditions appear more frequently in males than in females?
A) Males are more likely to inherit an extra chromosome than females. B) A male with a nonfunctioning allele on the X chromosome does not have another allele of that gene on the Y chromosome that could cover up the nonfunctioning one. C) The Y chromosome carries many alleles that are recessive to alleles on the X chromosome. D) Males have no X chromosomes. E) Females have no X chromosomes.