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If a normal man marries a carrier woman ...

If a normal man marries a carrier woman for colour blindness, their sons may be ----

A

All normal

B

Some are carriers of colour blindness

C

All sons colour blind

D

Both normal and colour blind

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USHA PUBLICATION-GENETICS-EXERCISE
  1. To a person with blood group A which one of the following group of blo...

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  2. The exchange of chromosome segments between maternal and paternal chro...

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  3. If a normal man marries a carrier woman for colour blindness, their so...

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  4. Marriage between one of the following paris may cause child death ----

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  5. Daughter receives 'X' chromosome from ----

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  6. Gene for hypertrichosis is ----

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  7. Sex - determination in Drosophila melanogaster is based on ----

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  8. Homogametic environment interaction.

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  9. Genes for sex influenced characters are present in ------

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  10. If a child has O type of blood group and the mother B type, the genoty...

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  11. Which of the following types of sex determination is found in grasshop...

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  12. What type of sex determination is seen in honey bee ?

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  13. What type of sex determination seen in human being?

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  14. Who discorved Free martin in cattle?

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  15. How many Barr bodies are present in a female with Tumers' syndrome?

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  16. ZZ/ZW type of sex-determination is seen in

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  17. Name the genes located on Y - chromosome of man.

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  18. Free-Martins are commonly found in ----

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  19. Which caste of honey bee is produced parthenogenetically?

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  20. How many pairs of autosomes are present in human cell ?

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