How is the sex of the child determined i...

How is the sex of the child determined in human beings?

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The sex of the individual is genetically determined i.e., genes inherited from parents choose whether the new born will be a boy or a girl. A new born who inherits an .X. chromosome from father will be a girl and one who inherits a .Y. chromosome will be a boy.

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Sex is determined in human beings

By ovum

At time of fetilization

40 days after fertilization

Seventh to eigth week when genitals differentiate in foetus.

The sex of a child is determined

six to seven weeks after conception

in the third month of pregnancy

at the time of sperm's entry

at the time of fertilisation of ovum

The sex of a child is determined by :

the presence of an X chromosome in egg (or ovum).

the presence of a Y chromosome in sperm.

the age of father and mother.

the length of the mother's pregnancy.