Which epidermal layer undergoes the most active cell division

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

Cells control gene expression at which steps

Wich is not standing in the way of astronomers getting a good view of different star