Mitosis occurs in cells and results in . The purpose of mitosis is and .
The phases of mitosis include , ,, and
This phase occurs before mitosis in the cell cycle and is where the cell grows, replicates DNA and copies organelles, this phase is called.
The splitting of the cytoplasm is called .

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of