An individual has overall masculine development. However, gynaecomastia is also expressed. This is a characteristic feature of

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Turner’s Syndrome

Klinefelter’s Syndrome

Thalassemia

Down’s Syndrome

answer is B.

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Detailed Solution

An individual has overall masculine development. However, gynaecomastia (enlargement of breasts) is also expressed. This is a characteristic feature of Klinefelter's syndrome (XXY). The presence of an extra X chromosome is the cause of such characteristic features.

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