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Question
Assertion (A): Gamma rays are generally used to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom
Options
A is correct. R is correct explanation of A
A is correct. R is not correct explanation of A
A is correct. R is wrong explanation of A
A and R is wrong
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Solution
A is correct. R is wrong explanation of A
RELATED QUESTIONS
Give one example of point mutation.
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?
A strong mutagen is:
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 loses from diploid | (iii) trisomy |
| D. Two individual chromosomes lose from diploid | (iv) double monosomy |
What mechanism causes a frameshift mutation?
Which of the following is caused by intrinsic replication errors and tautomeric shifts?
What is an example of an alkylating agent that causes mutation?
Which chemical mutagen is a base analogue that replaces thymine?
