Consider the following statements.
1. The sickle cell anaemia is a genetic disease common in tropical and sub-tropical countries.
2. The sickle-cell anaemia is due to mutation in b-globulin gene.
3. Due to the sickle-shaped anaemia, oxygen carrying capacity of the haemoglobin decreases.
Which of the statements given above is/are correct?
A. Only 1
B. 1, 2 and 3
C. 2 and 3
D. Only 3
Answer: Option B
This Question Belongs to Biology GK Chapter Wise >> Gentics And Evoloution
Related Questions on Gentics and Evoloution
A piece of DNA molecule that can serve as a carrier for the gene to be cloned is called as a
A. Virus
B. Vector
C. DNA junk
D. Gene factor
A haploid organism contains only one set of chromosomes, and is said to be
A. Homozygous
B. Heterozygous
C. Hemizygous
D. Holozygous
Which of the following is the correct pair?
A. Darwin - Use and disuse of organs
B. de Vries - Mutation theory
C. Lamarck - Origin of life
D. Haldane - Law of heredity
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