Pollination is the step that starts double fertilization. Each pollen grain contains two nuclei. One is the ; the other is called the . a. tube nucleus; pollen nucleus
b. generative nucleus; pollen nucleus
c. tube nucleus; generative nucleus
d. grain nucleus; tube nucleus

Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.

Aboy with an extra x chromosome probably has which of the following syndromes?

Cells destroy body cells infected by a virus or bacteria.