- 1(current)
Q. No.The sequence of which of the following is used to know the phylogeny?
| 1. | m-RNA | 2. | r-RNA |
| 3. | t-RNA | 4. | DNA |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because:
| 1. | They are small, and therefore, easy to study |
| 2. | They are uniparental in origin and do not take part in recombination |
| 3. | Their structure is known in greater detail |
| 4. | They can be studied from the samples of fossil remains |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThere are two opposing views about the origin of modern man. According to one view, Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested the African origin of modern man. What kind of observation of DNA variation could suggest this?
| 1. | Greater variation in Asia than in Africa |
| 2. | Similar variations in Africa and Asia |
| 3. | Variation only in Asia and no variation in Africa |
| 4. | Greater variation in Africa than in Asia |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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