Choose whether the given statement is true or false:
If the sperm contributes a Y-chromosome to the ovum during fertilization, the zygote will develop into a female child.

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True

False

answer is B.

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Detailed Solution

The given statement is false.

The sperm of the father contains either an X or a Y-chromosome. The Y-chromosome is responsible for a male child while X-chromosome is responsible for a female child.

When a sperm with Y-chromosome fuses with the egg cell then the zygote forms a male child whereas when a sperm with an X-chromosome fuses with the egg cell the zygote results in a female child.

Thus, the correct statement will be "If the sperm contributes a Y-chromosome to the ovum during fertilization, the zygote will develop into a male child."

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