Question

How is sex determined in organisms like humans?

Answer 1

Answer:

"The combination of sex chromosomes received from parents " .

Explanation:

Sex determination : The process by which sex of a child is determined .

Parental generation :

Mother         Father

XX                   XY (sex chromosomes )

X,X                   X,Y  (gametes )

First filial generation :

       X        Y

X    XX       XY

X     XX       XY

If XX is formed then it is girl and if XY is formed then it is boy .

Conclusion :

• we concluded that there is 50-50 percent chance of boy or a girl .
• Sex of a child is determined by father because father produce different gametes .