Read the following statements about sex determination in humans and select the correct statements.
A) Out of 23 pairs of chromosomes present, 22 pairs are exactly same in both males and females.
B) Males produce only one type of sperms with an X-chromosome.
C) In each pregnancy there is always 50 per cent probability of either a male or a female child.
D) Blaming women for giving birth to female children always is a correct notation in our society.

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B and D

A and D

A and C

C and D

answer is C.

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Detailed Solution

W.r.t Human reproduction:

A) Out of 23 pairs of chromosomes present, 22 pairs are exactly same in both males and females.
B) Males produce two types of sperm (50% carry X-chromosome and 50% carry Y chromosome.
C) In each pregnancy there is always 50 per cent probability of either a male or a female child.
D) Blaming women for giving birth to female children is incorrect.

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