Awoman with normal vision who is a carrier for color-blindness marries a man with normal vision. if this couple has two daughters and a son, what is the probability that none of the three children are color-blind? note: color-blindness is a recessive, x linked trait.

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

Which statement best compares aerobic and anaerobic respiration