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Of a normal couple, half of sons are hae...

Of a normal couple, half of sons are haemophilic and half the daughters are heterozygous. The gene for this disease in couple are located on

A

X-chromosome of both parents

B

both the X-chromosomes of mother

C

only on the X-chromsome of mother

D

Y-chromosome of fater

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The correct Answer is:
C
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TRUEMEN BIOLOGY ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
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  2. A recessive gene expresses only in homozygous condition. Some times, a...

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