I would say internal stimulus of hunger but Idk
Reason is humans have not yet completed demographic transition
As you see on the table, there are 3 ways the offspring can get the dominant trait. RR, Rr, and rR (order was switched for clarification). There are 4 total outcomes. In this case, the problem can just be treated as a probability question.
3 out of 4, or 3/4 * 50 is 37.5, which can be rounded to D. 38.
point, shift deletion, UV rays, radiations, genetics mutations, gene editing
That is just some method that gene can change within the DNA
