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A woman has haemophilic brother and norm...

A woman has haemophilic brother and normal parents. She wants to marry a man who has no history of haemophila in his family. What is the possibility of her children having this disease

A

50% of the sons may be haemophilic

B

50% of the total generation will be haemophilic

C

all will be haemophilic

D

none of them will be haemophilic

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The correct Answer is:
A
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Barr body in normal female is due to inactivation of

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  2. Carrier organism refers to an individual which carries a

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  3. A woman has haemophilic brother and normal parents. She wants to marry...

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  4. The grandsons of a colour blind male through daughter having the follo...

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  5. If the frequency of a dominant phenotype in a stable population is 75%...

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  6. If we ignore the effect of crossing over, how many different haploid c...

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  7. When a mutation is limited to the substitution of one nucleotide pair ...

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  8. Aneuploidy arises through

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  9. Another mutation occurring in an already mutated gene gives rise to

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  10. Haploid plants are preferred over diploids for mutation studies, becau...

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  11. Mutational events, which result in the deletion or addition of nucleot...

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  12. Which of the following mutational events is most difficult to detect? ...

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  13. Which of the following represents an amphidiploid (or allopolyploid) c...

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  14. A polyploid species having multiple and identical sets of chromosomes ...

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  15. Slight difference in identical twins support the hypothesis that 1. do...

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  16. An allopolyploid has 4 or more sets of chromosomes. These sets come fr...

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  17. An organism or cell having a chromosome number exactly mutiple of hapl...

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  18. Match the coloumns:

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  19. In Drosophila, XXY is female. In humans it represents a male because 1...

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  20. Queen victoria of England was 1. haemophiliac carrier 2. colour blin...

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