5. How is gametogenesis different in females than in males? A. Males produce four functional sperm while females produce only one functional egg.
B. Males produce only one functional sperm while females produce four functional eggs.
C. Males produces four genetically identical sperm while females produce four genetically different eggs.
D. Males produces four genetically different sperm while females produce four genetically identical eggs.

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.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

Which of the following forest management practices is best for reestablishing areas of forest?