I'm not entirely sure, but I think it is B) the pulley.
Answer:
motions of the planets in the solar system. They were derived by the German astronomer Johannes Kepler, whose analysis of the observations of the 16th-century Danish astronomer Tycho Brahe enabled him to announce his first two laws in the year 1609 and a third law nearly a decade later, in 1618. Kepler himself never numbered these laws or specially distinguished them from his other discoveries.
Explanation:
The situation in which allele frequencies in the gene pool of a population remain constant is called. genetic equilibrium. The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called.
There is a 50 % chance that one of their offspring will be heterozygous. So, 50% is your answer.