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Karnataka Board PUCPUC Science 2nd PUC Class 12

Give one example of point mutation.

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Question

Give one example of point mutation.

Very Short Answer
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Solution

A classic example of a point mutation is Sickle cell anaemia.

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Chapter 4: Principles of Inheritance and Variation - EXERCISES [Page 78]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 4 Principles of Inheritance and Variation
EXERCISES | Q 14. b. | Page 78
Nootan Biology [English] Class 12 ISC
Chapter 4 Principles of Inheritance and Variation
NCERT EXERCISES WITH ANSWERS | Q 16. (ii) | Page 212

RELATED QUESTIONS

Answer the following question.
Two children, A and B aged 4 and 5 years respectively visited a hospital with a similar genetic disorder. The girl A was provided enzyme-replacement therapy and was advised to revisit periodically for further treatment. The girl, B was, however, given a therapy that did not require revisit for further treatment.

Name the ailments the two girls were suffering from?


Answer the following question.
Two children, A and B aged 4 and 5 years respectively visited a hospital with a similar genetic disorder. The girl A was provided enzyme-replacement therapy and was advised to revisit periodically for further treatment. The girl, B was, however, given a therapy that did not require revisit for further treatment.

Why did the treatment provided to girl A required repeated visits?


Match List I with List II.

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

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Match list I with list II.

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

Match List I with List II.

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

Match list I with list II.

List I List II
A. A pair of chromosomes extra with diploid (i) monosomy
B. One chromosome extra to the diploid (ii) tetrasomy
C. One chromosome loses from diploid (iii) trisomy
D. Two individual chromosomes lose from diploid (iv) double monosomy 

Match list I with list II.

List I List II
A. A pair of chromosomes extra with diploid i) Monosomy
B. One chromosome extra to the diploid ii) Tetrasomy
C. One chromosome loses a diploid iii) Trisomy
D. Two individual chromosomes lose their diploid iv) Double chromosome

Match list I with list II.

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

Match list I with list II.

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C.  One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

Match list I with list II

List I List II
A. A pair of chromosomes extra with diploid (i) monosomy
B. One chromosome extra to the diploid (ii) tetrasomy
C. One chromosome loses from diploid (iii) trisomy
D. Two individual chromosomes lose from diploid (iv) double monosomy

Match list I with list II. 

List I List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

Match list I with list II

  List I   List II
A. A pair of chromosomes extra with diploid i) monosomy
B. One chromosome extra to the diploid ii) tetrasomy
C. One chromosome loses from diploid iii) trisomy
D. Two individual chromosomes lose from diploid iv) double monosomy

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