Advertisements
Advertisements
प्रश्न
Give one example of point mutation.
Advertisements
उत्तर
A classic example of a point mutation is Sickle cell anaemia.
APPEARS IN
संबंधित प्रश्न
How sex is determined in monoecious plants. write their genes involved in it.
Haploid plants are preferred over diploids for mutation study because in haploids ______.
Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino?
One of the parents of a cross has mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies that mutation is found in ______.
A change of single base pair in the gene for beta-globin chain (in human haemoglobin) results in the change of amino acid residue glutamic acid to valine which is due to ______
A strong mutagen is:
How does a mutagen induce mutation? Explain with example.
Variations caused due to mutations are ______.
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 was lost 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 |
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 |
Who proposed the Mutation Theory of Evolution and in which year?
What is the classic example of a point mutation?
What mechanism causes a frameshift mutation?
Which of the following is also called a 'gross mutation' or 'macro mutation'?
Which of the following is caused by intrinsic replication errors and tautomeric shifts?
Which physical mutagen works through ionizing radiation to break DNA strands?
What is an example of an alkylating agent that causes mutation?
Which chemical mutagen is a base analogue that replaces thymine?
What is the distinction between a deletion and an insertion in terms of chromosomal aberrations?
Which human genetic condition is characterized by trisomy 21 and results from chromosomal mutation?
How does DDT resistance in mosquitoes exemplify the evolutionary importance of mutations?
