Sex Determination in Humans
Sex Determination in Humans: Overview
In this topic, we will understand the concept of sex determination in humans. We will find that the sex determination depends upon the kind of sperm that fertilises the egg. Moreover, it describes the fusion of egg with X and Y bearing sperm.
Important Questions on Sex Determination in Humans
X-chromosome is used in the determination of sex; therefore, it is known as

X-body of Henking was

Flow chart of sex determination in humans is given below. Information to be filled in the blanks a, b and c respectively are :

Human offspring would be female, if 23" pair of chromosome in zygote is

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

Allosomes are also known as sex chromosomes.

Gender of a child is determined by the male partner of the couple.

Sperm cells contain an X or a Y chromosome.

Which chromosome is only found in a man?

Sex of the child determined by _____.

Sex of the baby is determined at the time of fertilisation.

If the sperm containing Y chromosome fuses with ovum. The baby will be a girl.

The female egg always has _____ (X/Y) chromosome.

In the human being, who determined the sex of the child.

In humans, women have a perfect pair of sex chromosomes, both called _____.

A zygote which has an X-chromosome inherited from the father will develop into a

Which among males and females are homogametic?

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

The unfertilised egg always has?

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.
