Mendel let his F1 generation self-pollinate. This meant that the cross was Tt x Tt. How
many offspring were TT, Tt, and TT

Which technically is nasa developing that will astronauts reach mars

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

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.