In which of the following cells can more than one nucleus be found?
a. an unfertilized egg
b. neuron
c. sertoli cell
d. muscle fibre

What are some possible short and long term medical concerns for crew members on longer space exploration trips

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.

Which feature of a human community is similar to a niche in a biological community