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In recent years , DNA sequence (nucleoti...

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

A

They can be studied from the samples of fossil remains

B

They are small and therefore easy to study

C

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

D

Their structure is known in greater detail

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The correct Answer is:
D
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  2. DNA polymerase that helps in DNA replication is of :

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  3. In recent years , DNA sequence (nucleotide sequence ) of mt-DNA and Y ...

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  5. The linkage map of X- chromosomes of fruitfly has 66 units with yellow...

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  6. In lac operon the genes a , y and z code respectively for

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  7. Down's syndrome is caused by an extra copy of chromosome number 21. w...

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  8. During translation initiation in prokaryotes a GTP molecule is neede...

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  9. The place where RNA - polymerase attaches with the DNA is called :

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  10. The total number of nitrogenous bases in human genome is estimated to ...

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  11. Which of the following pairs is correctly matched with regard to the c...

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  12. DNA repairing is done by :

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  13. The function of promotor of lac- operon is to :

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  14. Oncogenes were discovered by :

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  15. Choose the wrong statement :

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  16. When a mutation is limited to the substitution of one nucleotide for a...

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  17. During transcription if nucleotide sequence of DNA strand that is be...

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  18. During the replication of a bacterial chromosome, DNA synthesis starts...

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  19. In genetic code dictionary codons used to code for all the 20 essent...

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  20. Which one of the following triplet codes is correctly matched with its...

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