Awoman who is a carrier for hemophilia, a sex-linked recessive trait, marries a man who is normal. if they have a son, what is the probability that the son will have hemophilia?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

What are the four stages of cell signaling?