Home
Class 10
BIOLOGY
Who decides the sex of the baby -mother ...

Who decides the sex of the baby -mother or father ?

Text Solution

Verified by Experts

1. Sex determination of the baby depends on the sex chromosome carried by the sperm, as the ovum always carries X chromosome only.
2. If the sperm with X chromosme fuses with ovum, the baby will have XX condition. So the baby will be a girl.
3. If the sperm with Y chromosome fuses with ovum, the baby will hae XY condition. So the baby will be a boy.
4. So the sperms that come from fater decides the sex of the baby
5 . In fact it is by mere chance and the chance for any sex fomation is 50% as the male produces both sperms with X and sperms with Y are produced insame number.
Promotional Banner

Topper's Solved these Questions

  • HAREDITY -FROM PARENT TO PROGENY

    VGS PUBLICATION-BRILLIANT|Exercise (4 MARK QUESTIONS)|3 Videos

  • HAREDITY -FROM PARENT TO PROGENY

    VGS PUBLICATION-BRILLIANT|Exercise (THINK & DISCUSS)|1 Videos

  • HAREDITY -FROM PARENT TO PROGENY

    VGS PUBLICATION-BRILLIANT|Exercise (1 MARK QUESTIONS)|4 Videos

  • GLOBAL WARMING

    VGS PUBLICATION-BRILLIANT|Exercise FILL IN THE BLANKS|15 Videos

  • HEREDITY AND EVOLUTION

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|308 Videos

Similar Questions

Explore conceptually related problems

I am an allosome. I decide the sex of the baby. Who am I ?

Mother and father of a person with O blood group have A and B blood group respectively., What would be the genotype of both mother and father?

The baby will be boy if

What is test tube baby?

A colour - blind man married a woman who is the daughter of a colour - blind father and mother homozygous normal vision. What is the probability of their daughters being colour-blind ?

It is unfair to blame women in determining sex of new born baby. Do you agree ? Explain with the help of a flow chart.

Who is called as the father of modern chemistry? What are his main contributions?

A family consists of father, mother, 2 daughters and 2 sons. In how many different ways can they sit at a round table if the 2 daughters wish to sit on either side of the father ?

Transmission of HIV occurs by I) sexual contact with infected person II) transfusion of contaminated blood. III) sharing infected needles. IV) from infected mother to the baby through placenta. Which of the statements given above are correct?