On march 24, 1989, an oil tanker ran aground on bligh reef in prince william sound, alaska, and spilled millions of liters of crude oil. the graph shows pink salmon populations in prince william sound from 1970 to 1999. what do these data suggest about the effect the oil spill had on pink salmon?

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.