What are the 2 types of relationships that exotic species may have with native species if they have direct interaction with each other?

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.

In which of the following relationships is one organism always benefited while the other organism is always harmed

Ture or false evidence for evolution includes millions of fossils