What and how did it affect immigration/emigration, birth/death in finding nemo?

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

What is the problem in this article? what solution does the article propose?

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4