Which of the following is a sex-linked character

  • A

    Baldness

  • B

    Polio

  • C

    Colourblindness

  • D

    Heart disease

Similar Questions

Haemophillic man marries a normal woman. Their offsprings will be

  • [AIPMT 1999]

All sons of a couple are colourblind because

Choose correct option.

$(i)$ The heterozygous female transmit the disease to son.

$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.

$(iii)$ Mentally retarded.

$(iv)$ Heamoglobin not formed proper amount in blood.

Given below is a pedigree chart showing the inheritance of a certain sex- linked trait in humans.

The trait traced in the above pedigree chart is

Describe pedigree analysis and draw its symbols.