In a dihybrid cross, the f2 will have nine genotypes, but only four phenotypes because the genes cause the traits to mask the traits.

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?

Which of the following does the reading test of the sat ask you to do ?

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water