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An abnormal human baby with XXX sex chro...

An abnormal human baby with `XXX` sex chromosomes was born due to

A

Formation of abnormal ova in the mother

B

Fusion of two ova and one sperm

C

Fusion of two sperms and one ovum

D

Formation of abnormal sperms in the father

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The correct Answer is:
A
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ERRORLESS -PRINCIPLES OF INHERITANCE AND VARIATION-Principles Of Inheritance And Variation
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  2. A man having Klinefelter's syndrome is

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  3. An abnormal human baby with XXX sex chromosomes was born due to

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  4. Edward's syndrome, Patau's syndrome and Down's syndrome are due to

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  5. Which of these is not a Mendelian disorder

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  6. Moody describes the mutation as

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  7. Which of the following mutations is not hereditary

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  8. Represented below is the inheritance pattern of a certain type of trai...

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  9. What would be the number of chromossomes in the ovum (fertilized by a ...

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  10. A man whose father was colour blind marries a woman who had a colour b...

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  11. Trisomic condition of Down's syndrome arises due to

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  12. The given shows type of chromosome mutation

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  13. Hugo de Vries formulated the "Mutation Theory" based on the experiment...

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  14. A hereditary disease which is never passed on from father to son is

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  15. Somaclonal varations appear in plants:

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  16. In Drosophila gene for white eye mutation is also responfor depigmenta...

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  17. The functinal unit of mutation is

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  18. The most striking example of point mutation is found in a disease call...

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  19. Which following pair of disease is caused by two genes locted on human...

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  20. Which of the following is not related to chromosomal aberration

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