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NEET 2009
Exam
NEET
Year
2009
Subject
Zoology
Chapter
Principles of Inheritance and Variation

NEET 2009 · Zoology · Principles of Inheritance and Variation

Sickle cell anaemia is

Sickle cell anaemia is

Options

  1. Aan autosomal linked dominant trait
  2. Bcaused by substitution of valine by glutamic acid in the β\beta-globin chain of haemoglobin
  3. Ccaused by a change in base pair of DNA
  4. Dcharacterized by elongated sickle like RBC\mathrm{RBC} with a nucleus

Correct answer

C. caused by a change in base pair of DNA

Step-by-step solution

Sickle-cell anaemia is caused by a change in a single base pair of DNA. It is a genetic disease reported from negroes. The individuals of sickle-cell anaemia are immune to malaria.
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