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The human chromosome with the highest an...

The human chromosome with the highest and least number of genes in them are respectively :

A

Chromosome 21 and Y

B

Chromosome 1 and X

C

Chromosome 1 and Y

D

Chromosome X and Y

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The correct Answer is:
B
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USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. The first genetic material could be :

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  2. With regard to mature mRNA in eukaryotes :

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  3. The human chromosome with the highest and least number of genes in the...

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  4. Who amongst the following scientists had no contribution the developme...

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  5. DNA is a polymer of nucleotides which are linked to each other by 3' -...

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  6. Discontinuous synthesis of DNA occurs in one strand because :

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  7. Which of the following steps in transcription is catalysed by RNA poly...

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  8. The polymerase that has 5'-3' exonuclease property is known as ..........

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  9. Regulatory proteins are the accessory proteins that interact with RNA ...

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  10. Which was the last human chromosome to be completely sequenced :

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  11. Which of the following are the functions of RNA ?

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  12. While analysing the DNA of an organism a total number of 5386 nucleoti...

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  13. In some viruses , DNA is synthesised by using RNA as template . Such a...

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  14. If Meselson and Stahl's experiment is continued for four generations i...

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  15. If the sequence of nitrogen bases of the coding strand of DNA in a tra...

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  16. The RNA polymerase holoenzyme transcribes :

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  17. If the base sequence of a codon in mRNA is 5' - AUG 3' , the sequence ...

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  18. The amino acid attaches to the tRNA at its :

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  19. To initiate translation , the mRNA first binds to :

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  20. In E. coli , the lac operon gets switched on when :

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