Which of these describes how heat is transferred by conduction
a. sunlight travels through space without the aid of fluids or solids
b. warm air rises and takes heat with it, eventually it cools and sinks
c. air at the equator rises and sinks at the poles
d. air molecules touch the warm ground, heating them up
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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.