Answer:
B
Explanation:
Using a Punnett Square, you find that the outcomes are AB, AB, aB, and aB. There are only two unique genotypes here, so the answer is 2.
The correct answer is option D, Speciation
In the allopatric speciation, the geographical barriers such as mountains or rivers causes isolation of the population. The two population groups get completely separate from each other and thus develop different sexual preferences for mating.
Answer:
a. the mother feels the fetus move for the first time
Explanation: