Given below is a highly simplified representation of the human sex chromosomes from a karyotype.

The genes $a$ and $b$ could be of

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  • [AIIMS 2006]
  • A

    colour blindness and body height

  • B

    attached ear lobe and Rhesus blood group

  • C

    haemophilia and red-green colour blindness

  • D

    phenylketonuria and haemophilia

Similar Questions

Colour blindness results from

In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.

Haemophilia is more commonly seen in human males than in human females because

  • [AIPMT 2005]

Sex linked disease is

In the above pedigree, assume that no outsider marrying in, carry a disease. Write the genotypes of $C$ and $D$.