How many crosses of red and white four-o'clock flowers would you need to find out all of the possible phenotypes for color of flowers?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

If animal agriculture was eliminated, how much grain would become available for human consumption?

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