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Cri-du-chat syndrome in humans is cause...

Cri-du-chat syndrome in humans is caused by the :

A

Fertilization of an XX egg by normal Y-bearing sperm

B

Loss of half of the short arm of chromosome 5

C

Loss of half of the long arm of choromosome 5

D

Trisomy of 21st chromosome

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The correct Answer is:
B
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
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  2. If a colourblind woman marries a normal visioned man. Their sons will ...

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  3. Cri-du-chat syndrome in humans is caused by the :

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  4. A man and a woman, who do not show any apparent signs of a certain inh...

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  5. At a particular locus, frequency of 'A' allele is 0.6and that of 'a' ...

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  6. A woman with normal vision, but whose father was colour blind, marrie...

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  7. Haemophiliais more commonly seen in human males than in human females...

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  8. A woman with 47 chromosomes due to three copies of chromosome 21 is c...

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  9. In order to find out the different types of gametes produced by a pea...

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  10. Which of the following is not a hereditary disease

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  11. The salivary gland Chromosomes in the dipteran larvae, are useful in g...

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  12. Genteic variation in a population arises due to

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  13. Which is incorrect regarding pedigree analysis?

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  14. In our society women are balmed for producing female children. Choose ...

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  15. Down's syndrome in humans is due to

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  16. The variation/difference in the offspring of a species from their pare...

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  17. If two pea plants having red (dominant) coloured flowers with unknown...

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  18. Walter sutton is famous for his contribution to :

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  19. A polygenic trait is controlled by 3 genes A, B and C. In a cross AaBb...

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  20. The chromosome constitution 2n-2 of an organism represents :

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