How is a child affected if it has grown from the zygote formed by an X – InterviewSolution

1.	How is a child affected if it has grown from the zygote formed by an XX-egg fertilised by a Y-carrying sperm? What do you call this abnormality?
Answer» The union of an abnormal XX egg and a normal Y- sperm results in trisomy of sex (X) chromosome. This is a type of sex chromosomal abnormality where the individual has 47 chromosomes (44 + XXY) and the abnormality is called Klinelter’s syndrome.

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