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If a colourblind woman marries a normal ...

If a colourblind woman marries a normal visioned man, their sons will be:

A

Three-fourth colourblind and 1/4 normal

B

All colourblind

C

All normal visioned

D

1/2 colourblind and 1/2 normal

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MODERN PUBLICATION-SEX DETERMINATION-EXERCISE
  1. A women with 47 chromosomes due to three copies of chromosomes 21 is c...

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  2. Edward's Patau's Down's syndrome are due to :

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  3. If a colourblind woman marries a normal visioned man, their sons will ...

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  4. A normal visioned man, whose father was colourblind, marries a woman t...

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  5. A man, whose father was colourblind, marries a women who had a colourb...

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  6. A colourblind man marries a woman with normal sight who has no history...

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  7. Which of the following most appropriately describes haemophilia ?

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  8. A disease caused by autosomal primary non-disjunction is :

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  9. X and Y- chromosomes are called :

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  10. Which one is a sex-linked disorder?

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  11. A haemophilic man marries a normal homozygous woman. What is the proba...

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  12. A fruitfly exhibiting both male and female trait is

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  13. A haemophilic man marries a normal homozygous woman. What is the proba...

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  14. Genes located on Y-chromosome are

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  15. A colourblind person cannot distinguish

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  16. Which chromosome carries the haemophilic genes ?

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  17. Red-green colour blindness in man is.

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  18. Sex-linked characters are

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  19. Which gene is present in the Y-chromosome that codes for the protein T...

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  20. What type of sex determination seen in birds ?

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