One way that a pollen grain can get to the stigma of a pistil

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.

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called