Human offspring would be a normal female, if the 23 $^{r d}$ pair of chromosome in zygote is

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XYY

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Solution

The correct option is C XX
The XX/XY sex-determination system is found in humans. In the system, females have two of the same kind of sex chromosome (XX), while males have two distinct sex chromosomes (XY). These are the 23 $^{r d}$ pair of chromosomes. Thus, option C is correct and other options are wrong.

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^{r d}

The human male gamete with X chromosome fuses with a female gamete to form a zygote. The offspring will be a male child.

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