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An abnormal human male phenotype involvi...

An abnormal human male phenotype involving an extra Y-chromosome (XYY) is a case of

A

Edward's syndrome

B

Jacob syndrome

C

Intersex

D

Down's syndrome

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. The colour blindness is more likely to occur in males than in females ...

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

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

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

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  5. Barr body in mammals represent

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

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

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

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

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

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  11. Polygenic genes show :-

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

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

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  14. Genetic identity of a human male is determined by

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

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

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  17. Albinism is known to be due to an autosomal recessive mutation. The fi...

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  18. How many types of genetically different gametes will be produced by a ...

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  19. When a single gene influences more then one trait it is called

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  20. Mental retardation in man, associated with sex chromosomal abnormality...

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