Which of the following would cause gene flow?

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.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water