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A holandric gene in man causes hypertric...

A holandric gene in man causes hypertrichosis. When a man with hairy ears marrier a normal woman

A

the percentage of their sons would be 100% to have hairy ear

B

half of daughters will have this trait

C

ratio of hairy eared and normal child will be 1:2

D

all correct

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A
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. A recessive gene expresses only in homozygous condition. Some times, a...

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  2. Of a normal couple, half of sons are haemophilic and half the daughter...

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  3. A holandric gene in man causes hypertrichosis. When a man with hairy e...

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  4. A colour blind girl can be born when

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  5. A colour blind man marries the daughter of a colour blind lady and a n...

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  6. Both father and mother have allele for PKU but are phenotypically norm...

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  7. A cross of white eyed female and red eyed male drosophila gives red ey...

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  8. If husband and wife both are normal in vision but fathers of both were...

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  9. What will you call this set up 2n-2+2?

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  10. How many barr bodies Klinefelter syndrome (XXY) has?

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  11. Which of the following does not undergo transcription of its genes?

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  12. Turner syndrome is caused by

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  13. Down's syndrome or Mongoloid idiocy (Mongolism) is due to

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  14. Phenylketonuria, Huntington's disease and sickle-cell anaemia are caus...

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  15. Genetic constitution of Klinefelter syndrome is

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  16. Which one of the following conditions through harmful in itself, is al...

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  17. Genetic constitution of superfemale is

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  18. In human beings, male is 44A+XY and female 44A+XX. Which of the follow...

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  19. If the chromosome number of a trisomic is 25 what will be its correspo...

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  20. What would be the sex of Drosophila with 3A+XXY genetic constitution?

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