Sex Determination in Humans

Cotyledons are also called-

When a sperm containing Y chromosome fertilises the egg, the zygote would develop into?

The unfertilised egg always has?

Which of the following pair of sex chromosomes is present in females?

Out of 23 pairs of chromosomes the number of sex chromosomes is?

All human beings have _____ of chromosomes in the nuclei of their cells.

Chromosomes are present inside the _____ of every cell.

_____ are thread-like structures carrying genetic information.

A child who inherits a ________ chromosome from her father will be a girl, and one who inherits a ________ chromosome from him will be a boy.

Women have ________ and men have ________ pair of sex chromosomes.

When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a _____ child

A trait in an offspring is influenced by

Human Baby will be a female if its 23rd chromosome pair is

If a couple has three daughters, what are the chances that the fourth child will be a son ?