This is called the G1 phase I'm sure.
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Answer:
Population (No) Population (Nt)
20,000,000 20,820,000
20,820,000 22,000,000
22,000,000 23,735,000
23,735,000 25,843,000
25,843,000 28,183,000
Explanation:
The change in Gilders population could include factors like prosperous economy and improved healthcare. This is due to the fact that as the birth rates increase the death rates decrease. Improved healthcare has slowed down the death rate. Secondly, the prosperous economy contributes to amount of immigrants coming in and out of this country.