NCERT exempler I — task. Science CBSE, Class 8.

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1. The belief that the mother is completely responsible for the sex of the child is wrong because the child

gets one sex chromosome from the mother and the other from the father
develops in the body of the mother
gets sex chromosome only from the mother
gets sex chromosome only from the father

2. AIDS can spread from an infected person to another person through

blood transfusion
a mosquito bite
sharing comb
sharing food

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