Cosmic microwave background radiation is the term used for the microwave
radiation observed everywhere in the universe. The existence of this radiation is
used as evidence to support the Big Bang Theory because, in our current
understanding, this radiation is -
energy left over from the rapid expansion of matter.
the result of high speed collisions of atoms.
an indication that the universe is getting hotter.
proof that the size of the universe is decreasing,

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.