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प्रश्न
Women are often blamed for producing female children. Consequently, they are ill-treated and ostracized. How will you address this issue scientifically if you were to conduct an awareness programme to highlight the values involved?
In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?
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उत्तर
Women are never responsible for determination of the sex of a child. Moreover, it is not appropriate to ill-treat a woman for giving birth to a girl child, as both males and females are equally important for the balance of nature and continuity of our species.
All human-beings have 23 pairs of chromosomes. A human sperm (haploid) has 22 autosomes and one of the two types of sex chromosomes, i.e. either X or Y. On the contrary, human females have 22 autosomes that are exactly same as males and contain two X chromosomes. The sex of an individual is determined by the type of the sex chromosome (X or Y) contained by the sperm that fuses with the ovum.
If the fertilising sperm has an X chromosome, then the baby would be a female and if a sperm with Y chromosome fuses with the ovum, it will develop into a male child. Thus, males are responsible for determination of the sex of a child.
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संबंधित प्रश्न
What is oogenesis?
Explain two main process in sexual reproduction.
Select the correct sequence of oogenesis.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is ______.
How many sperms are formed from 4 primary spermatocytes?
In oogenesis haploid egg is fertilised by sperm at which stage?
Head of epididymis is called as ______.
In human females, meiosis II is not completed until:
Draw a neat and labelled diagram of spermatogenesis.
