The gene for hemophilia is sex-linked. A woman who is heterozygous for hemophilia marries a man who does not carry the gene for hemophilia. Which of the following will be true? A. Half of their children of either sex may receive the gene for hemophilia.

B. Half of their daughters may be hemophiliac.

C. All of their daughters will be carriers of hemophilia.

D. All of their sons will be hemophiliac.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

phosphorus cycle

explanation:

the phosphorus cycle is the way that compounds of the element phosphorus, an essential nutrient, are recycled in the environment. plants absorb phosphorus compounds from the soil, and decaying organic matter, including both plant matter and animal droppings, returns it to the soil. phosphorus is a vital part of atp, the energy currency of all cells, and is vital to all forms of life.