What is x-linked inheritance?how Diseases are caused by it?
Asked by cbafna66
| 1st Aug, 2014,
08:39: PM
Expert Answer:
Certain hereditary disorders are caused due to recessive genes present on the “X” chromosome. They are called X-linked diseases. Such disorders are common in males than in females. This is because males have only one X chromosome. If the defective gene is present on the X chromosome, it will definitely get expressed in males. However, females have a double dose of X chromosomes. Hence, the effect of any defective gene is masked or suppressed by the other X chromosome.
Diseases caused due to X-linked inheritance: Haemophilia, Colour blindness.
Certain hereditary disorders are caused due to recessive genes present on the “X” chromosome. They are called X-linked diseases. Such disorders are common in males than in females. This is because males have only one X chromosome. If the defective gene is present on the X chromosome, it will definitely get expressed in males. However, females have a double dose of X chromosomes. Hence, the effect of any defective gene is masked or suppressed by the other X chromosome.
Diseases caused due to X-linked inheritance: Haemophilia, Colour blindness.
Answered by Sheetal Kolte
| 2nd Aug, 2014,
02:45: PM
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