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Explain how an XXY individual can arise ...

Explain how an XXY individual can arise in human.

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An XXY individual can arise if an abnormal egg with XX chromosomes fertilises with a normal sperm carrying .Y. chromosome.
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NEW JOYTHI PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION -NEW EVALUATION TYPE QUESTIONS
  1. Give reason a. Drosophila is the ideal material for genetic study. ...

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  2. Construct a flow chart showing criss-cross inheritance.

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  3. Observe the following diagrams and identify the different types of chr...

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  4. Substitution of a wrong aminoacid valine instead of glutamic acid in t...

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  5. Who proposed mutation theory

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  6. Which one of the following is male Drosophila?

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  7. A man suffering from haemophilia marries a carrier woman. Work out the...

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  8. Match the following,

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  9. Some so called doctors claim that their medicines provide 100% guarant...

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  10. What will be the sex of a child which develops from 44 + XX zygote?

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  11. Explain how an XXY individual can arise in human.

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  12. Drosophila is known as the 'pea' of animal kingdom. Justify this state...

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  13. Some genetic disorders such as haemophilia, colour blindness etc. tran...

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  14. Give one word for the following. a. Agents that cause mutation. b....

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  15. Match the related items from B and C with column A

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  16. Give the chromosome numbers of the following animals and plants.

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  17. Complete the flow chart.

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  18. Correct the aminoacid sequence of sickle cell haemoglobin.

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  19. Down's syndrome may occur in both sexes. Comment.

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  20. Chromosome sets of four individuals are given below 44A + XXY, 44A + X...

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