Multiple Answer Which of these is evidence for evolution?
a caterpillar changing into a butterfly
a tadpole changing into a frog
horse teeth becoming flatter over time in the fossil record
mutations in DNA
a chicken egg hatching
c. vestigial rear leg bones in whales
different shapes on Galapagos tortoises from different islands
a tailbone in humans
similar bone structure in whale flipper and human hand

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