How is sex determined in organisms like humans?

A. all of the above

B. the combination of autosomes received from parents

C. the combination of sex chromosomes received from parents

D. the x-linked traits received from the mother

"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.