Question

In human beings, the statistical probability of getting either a male or female child is 50:50. Give a suitable explanation.​

Answer 1

Answer: The sperm Cell may be XX or it can be XY the sperms released will have equall amount of XX and XY so the chance is 50:50

Answer 2

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The sex of a child is determined by the type of sex chromosome contributed by male gamete. The statistical probability of getting either a male or female child is 50:50, because the ratio of male gametes containing X chromosome and those containing Y chromosome is 50:50.