Mendel crossed two plants that were heterozygous for the trait of flower color. Which genotypes could he have used to represent the cross? PP ´ PP
Pp ´ Pp
pp ´ pp
Pp ´ PPФωФ

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.