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Fertilisation in Humans

Which of the ...

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Which of the following combinations of sex chromosomes produce a male child : XX or XY?

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Combination XY of sex chromosomes produces a male child.

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Which of the following combinations of sex chromosomes produce a male child

XX or XY ?

Which of the following combinations of sex chromosomes produces a male child (or boy) ?

XX or XY

Q. Assertion :In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason: Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on X-chromosome and some on Y - chromosome.

Q. A new born child has an XY pair of chromosomes. Will it be a baby boy or a baby girl?

Q. The sex of a newborn child is genetically determined, Sex in human beings is determined by the presence or absence of a Y chromosome. An embryo with XX chromosomes develops into a female and an embryo with XY chromosomes develops into a male. One X chromosome is always contributed by the female parent or the mother and the sex of the embryo depends on the chromosome received in the sperm or from the male parent. Type 1 for true and 0 for flase

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