1. | Henking | 2. | Thomas Hunt Morgan |
3. | Sutton and Boveri | 4. | Alfred Sturtevant |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome. |
Reason (R): | Closely located genes assort independently. |
In the light of the above statements, choose the correct answer from the options given below:
1. | (A) is false, (R) is true. |
2. | Both (A) and (R) are true and (R) correctly explains (A). |
3. | Both (A) and (R) are false and (R) does not correctly explain (A). |
4. | (A) is true, (R) is false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe recombination frequency between the genes a & c is 5%, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?
1. a, c, b, d
2. a, d, b, c
3. d, b, a, c
4. a, b, c, d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat map unit (Centimorgan) is adopted in the construction of genetic maps?
1. | A unit of distance between genes on chromosomes, representing 50% cross-over. |
2. | A unit of distance between two expressed genes, representing 10% cross-over. |
3. | A unit of distance between two expressed genes, representing 100% cross-over. |
4. | A unit of distance between genes on chromosomes. representing 1% cross-over. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology