Mammals differinate in the cenozoic era as tigers and saber tooth were at the bottom of the food chain and became the food of dinosaurs but they differentiate and grow in sizes and other features that make them could work they way up to the top of the food chain like today

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