Phylogenetic trees a. are a threatened species in costa rica's monteverde national park b. trace the flow of evolutionary change and diversification for a particular group of organisms c. have branches each of which represents an extinction event d. predict future evolutionary trends e. are usually at odds with fossil evidence

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.