What characteristics are found in the oldest human populations?

a. they have similar traits to ancestral populations.
b. they carry many unique alleles found only in their groups.
c. they show less assortative mating practices.
d. they show the most genetic diversity.

The correct answer is:

d. They show the most genetic diversity.

Explanation:

For genetics, Human genetic variation refers to the possible differences that can be found in the information contained in the DNA and more specifically in the genes. It is important to take into account that there are several variations in the genetic information of human being for which it is possible to conclude that there are not 2 human beings that can have the exact same genetic information, that is why all human beings are different in many ways.

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!