Multiple choice questions IV — 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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1. The maleness of a child is determined by

sex is determined by chance
the cytoplasm of germ cell which determines the sex
the Y chromosome in zygote
the X chromosome in the zygote

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

girl
boy
either boy or girl
X- chromosome does not determine the sex of a child

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