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Absence of one sex chromosome causes...

Absence of one sex chromosome causes

A

Turner's syndrome

B

Klinefelter's syndrome

C

Down's syndrome

D

Tay-Sach's syndrome

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The correct Answer is:
A
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. The chromosome constitution 2n-2 of an organism represents :

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  2. Mendel's principle of segregation means that the germ cells always rec...

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  3. Absence of one sex chromosome causes

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  4. Chimera is produced due to

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

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

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

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

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

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

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

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  12. Barr body in mammals represent

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

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

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

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

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

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  18. Polygenic genes show :-

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

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

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