1.

Haemophilia is more common in males because it is aA. recessive character carried by Y-chromosomeB. dominant character carried by Y-chromosomeC. dominant trait carried by X-chromosomeD. recessive trait carried by X-chromosome

Answer» Correct Answer - D
Haemophilia is a disorder, which is sex-linked (X-chromosome) recessive condition. Males have only one X-chromosome, so this disease appears in them more then female as they have 2X-chromosomes.


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