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Which one of the following conditions in...

Which one of the following conditions in humans is correctly matched with its chromosomal abnormality linkage ?

A

Down syndrome - 44 autosomes + XO

B

Klinefelter syndrome - 44 autosomes + XXY

C

Colour blindness - Y - linked

D

Erythroblastosis foetalis - X - linked

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. Select the incorrect statement from the following

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  2. Haploids are more suitable for mutation studies than the diploids. Thi...

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  3. Which one of the following conditions in humans is correctly matched ...

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  4. In the hexaploid wheat, the haploid (n) and basic (x) numbers of chrom...

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  5. Inheritance of skin colour in humans in an example of :-

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  6. A common test to find the genotype of a a hybird is by

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  7. R and y genes of Maize lie very close to each other . When RRYY and rr...

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  8. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

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  9. A human male produces sperms with the genotypes AB, Ab, aB, and ab per...

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  10. Which one of the followingt is the most suitable medium for culture of...

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  11. Phenotype of an organism is result of

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  12. In which mode of inheritance do you except more maternal influence amo...

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  13. How many different kinds of gametes will be produced by a plant havi...

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  14. Which one of the following is an example of polygenic inheritance ?

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  15. In Mendel's experiments with garden pea, round seed shape (RR) was dom...

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  16. Test cross involves

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  17. If a colourblind woman marries a normal visioned man. Their sons will ...

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

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

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

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