When an allele is not expressed in heterozygotes, but is expressed in homozygotes, it is said to be: ?

The rate at which molecules water and oxygen can enter a cell is determined by the-

What are the probable phenotypes of their offspring

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.