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In recent years,DNA sequences (nucleotid...

In recent years,DNA sequences (nucleotide sequence) of maternal DNA and Y-chromosome were considered for the study of human evolution ,because :

A

their structure is known in greater detail

B

they can be studied from the samples of fossil remains

C

they are small and therefore, easy to study

D

they are uniparental in origin and do not take part in recombination

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The correct Answer is:
D
Wilson nad Sarich choose mitochondrial DNA (mtDNA) for the study of maternal line inheritance. While Y-chromosomes were considered for the study of human evolution particularly male domain. It is possible because they are uniparental in origin and do not take part in recombination.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-PRINCIPLES OF INHERITANCE AND VARIATION -MCQ
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  2. Genes for cytoplasmic male sterility in plants are located in

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  3. In recent years,DNA sequences (nucleotide sequence) of maternal DNA an...

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  4. Genetic map is one that :

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  5. There are three genes a, b, c, percentage of crossing over between a a...

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  6. Which of the following is the example of sex-linked disease?

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  7. Which of the following is the example of pleiotropic gene , -

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  8. Change in the sequence of nucleotide in DNA is called as

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  9. A plant of F(1)-generation has genotype 'AABbCC'. On selfing of this p...

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  10. Mendel obtained wrinkled seeds in pea due to deposition of sugars inst...

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  11. Which of these do not follow independent assortment?

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  12. Inheritance would be extranuclear in case of

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  13. Number of Barr bodies in XXXX female would be

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  14. Male XX and female XY sometime occur due to :

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  15. Two nonallelic genes produces the new phenotype when present together ...

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  16. A and B genes are linked. What shall be the genotype of progeny in a c...

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  17. Ratio of complementary genes is

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  18. During organ differentiation in Drosophila, an organ is modified to an...

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  19. Drosophila flies with XXY genotype are females, but human beings with ...

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