For each of the genotypes below (AA, Aa, aa) determine what the phenotype would be.
Purple flowers are dominant to white flowers.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

How can you approximate the number of calories required to keep you in energy balance?

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.