Question

The figure shows sex determination in humans.
What are the right substitutes for the numbers 1 to 6?

Answer 1

Hint:-In people, females acquire a X chromosome from each parent, though males consistently acquire their X chromosome from their mom and their Y chromosome from their dad. Thus, the entirety of the somatic cells in human females contain two X chromosomes, and the entirety of the somatic cells in human males contain one X and one Y chromosome.

Complete step-by-step solution:-
Both Male(XY) and female (XX) will shape gametes.
Male structure two kinds of gamete one is X and other is Y and female will likewise shape two gamete yet of same sort i.e X and X.
So 1 will be X, 2 will be Y.
Presently when the combination of gametes happens two X and Y gametes will shape male offspring and two X and X chromosomes will frame female offspring.
In this manner 3 will be XX(female), 4 will be XY(male) , 5 will be XX(female)and 6 will be XY(male).
In this framework, alluded to as the XX-XY framework, maleness is controlled by sperm cells that convey the Y chromosome. Human X and Y chromosomes determine the biological sex of a person.

Note:- The sex chromosomes in males are X and Y while females have two X chromosomes. An infant gets one sex chromosome from the dad and the other sex chromosome from the mother. Since, the mother has two X chromosomes, so the child will get just X chromosome from the mother however the dad has X and Y chromosomes so the infant could get either an X chromosome or a Y chromosome from the dad. Thus, the dad chooses the sex of the infant.