Consider the following statements: (i) The sex of a child is determined by what it inherits from the mother. (ii) The sex of a child is determined by what it inherits from the father. (iii) The probability of having a male child is more than that of a female child. (iv) The sex of a child is determined at the time of fertilisation when male and female gametes fuse to form a zygote. The correct statements are:
Explanation
The correct statements are (i), (iii) and (iv). The sex of a child is determined by what it inherits from the mother (X or Y chromosome), the probability of having a male child is more than that of a female child, and the sex of a child is determined at the time of fertilisation when male and female gametes fuse to form a zygote.
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