Intext question VI — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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How is the sex of the child determined in human beings?

a. Humans have ________ chromosome pairs.

23
22
21

b. How many autosomes and allosomes are there in humans?

(23+1) pairs
(22+1) pairs
(23+2) pairs

c. Choose the correct statement from the options given.

Females have X chromosomes, and males have X and Y chromosomes.
Males and females have X and Y chromosomes.
Males have X chromosomes, and females have X and Y chromosomes.

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