Chromosomal sex refers to the physical expression of male or female anatomical structures based on the presence or absence of specific hormones that are secreted after the seventh week of prenatal development. Question 11 options:
True
False

I think its true

Explanation:

The chromosomal sex of the embryo is established at fertilization. However, 6 weeks elapse in humans before the first signs of sex differentiation are noticed. Sex differentiation involves a series of events whereby the sexually indifferent gonads and genitalia progressively acquire male or female characteristics.

your answer would be a, maximum exploitation of resources.

d. changes in climate and historical records

hope this