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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's syndrome - 44 autosomes + XO

B

Klinefelter's 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-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
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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 w...

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  4. Genes which are cofined to differential region of the Y-chromosome onl...

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  5. The colour blindness is more likely to occur in males than in females ...

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  6. Albinism is a congenital disorder resulting from the lack of the enzym...

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  7. An abnormal human male phenotype involving an extra Y-chromosome (XYY)...

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  8. The phenomenon, in which an alleles of one gene suppresses the activit...

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  9. Barr body in mammals represent

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  10. Two dominant independently assorting genes react with each other. They...

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  11. A diseased man marries a normal woman.They get three daughters and fiv...

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  12. Person whose father is colourblind marries a lady whose mother is daug...

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  13. In which of the following disease , the man has an extra X-chromosome ...

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  14. H.J. Muller ws awarded Nobel Prize for

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  15. Polygenic genes show :-

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  16. Foetal sex can be determined by examining cells from the amniotic flui...

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  17. A female fruitfly heterozygous for sex linked genes is mated with norm...

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  18. Genetic identity of a human male is determined by

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  19. Different forms of a gene located at the same locus of chromosomes a...

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  20. After crossing two plants, the progenies are found to be male sterile....

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