Which of the following best describes the evolutionary relationship between modern humans and chimpanzees?
answers:
a. humans descended from apes, while chimpanzees evolved from a different, more primitive ancestor.
b. humans and chimpanzees are both primates that diverged from primitive common ancestors.
c. humans descended from chimpanzees and therefore have the same evolutionary ancestors.
d. humans evolved independently of chimpanzees and do not share a common ancestor.

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Which structure in the cardiovascular system connect arteries to veins?

Which two molecules generated by the krebs cycle pass their high-energy electrons to the electron transport chain? a. nadh b. c6h12o6 c. fadh2 d. nad+