1.

Which following pair of diseases is caused by two genes located on human X-chomosome ?A. Colour blindness and phenylketonuriaB. Colour blindness and haemophiliaC. Colour blindness and albinismD. Colour blindness and hypertrichosis

Answer» Correct Answer - B
Colour blindness and haemophilia are caused by two genes located on X-chromosome, both are X-linked recessive traits


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