Question

Explain the mechanism of sex determination in humans. 

With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? 

Answer 1

Mechanism of Sex Determination in Human Beings: In human beings, the sex of the individual is genetically determined. 

Sex determination is the process by which sex of a new born individual can be determined. 

Human beings have 1 unpaired sex chromosome. Sex chromosome of male is XY and of female is XX. 

Sex of a child depends on what happens at fertilisation.

Thus, father is responsible for the determination of the sex of a child.