PLEASE PLEASE PLEAS HURRY I NEED THIS IN LIKE 20 MINS FOR I FAIL( I'm saving up for a give away so not that many points) You observed light passing through lenses and through a set of prisms. Why does refraction occur? Include your lab observations in your answer.

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