Answer: 70%, although that is an estimation because it is 71%
Answer: 25%
Explanation: if you do the Punnett Square method then you would see that both parents would have been Dominant for the trait, so there is a 50% chance of the offspring to be a carrier, 25% chance of the offspring to have PKU and 25% chance for it to ave
D. Darwin's theory of natural selection shows that organisms evolve based on which one's survive the best and thrive.