NEET 2002 Biology question

Which of the following is the example of pleiotropic gene ; -

(1)Haemophilia
(2)Thalassemea
(3)Sickle cell anaemiaCorrect
(4)Colour blindness

Answer: (3)

Solution

A pleiotropic gene is a single gene that affects more than one phenotypic character. The sickle-cell gene (Hb) produces abnormal haemoglobin that causes sickling of red cells, anaemia, blocking of capillaries, damage to organs such as the spleen, heart and

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Question ID VK-089114