Hemophilia is an x-linked recessive disorder. what is the probability of having hemophilia for the cross that is shown in the punnett square? 0 percent 25 percent 50 percent 75 percent

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.