Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
Given below is a highly simplified representation of the human sex chromosomes from a karyotype.
The gene and could be of
Options:
Answer:
Solution:
The figure shows, human sex chromosome with genes ' ' and ' '. So, ' ' and ' ' are sexlinked genes, that are inherited through sex chromosomes. The most important character of sex linked inheritance are colourblindness and haemophilia. Both the disorders are due to recessive sex linked genes. The gene for red green colour blindness is located on chromosomes. The person suffering from this disease is unable to distinguish red and green colours. Haemophilia, also called bleeder's disease, is due to presence of recessive gene on -chromosome. The person suffering from this disease have blood which does not clot properly i.e, lacking a factor (plasma thromboplastin) which is responsible for clotting of blood.
