Which of the following statements is true? (A) Mutation is the only way to vary the gene pool in a population that reproduces by sexual reproduction.

(B) Fewer harmful mutations are inherited by sexual reproduction than by asexual reproduction.

(C) Sexual reproduction is faster than asexual reproduction.

(D) Offspring from asexual reproduction have more genetic variety than offspring from sexual reproduction.

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

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.