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What is heterogamy ?Explain the mechanis...

What is heterogamy ?Explain the mechanism of sex determination in Drosophila.

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MODERN PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION-REVISION EXERCISES (SHORT ANSWER TYPE-II QUESTIONS (B. QUESTIONS FROM CBSE EXAMINATIONS)
  1. (a)Why is haemophilia generally obsereved in human male?Explain the co...

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  2. (a) Explain the phenomena of multiple allelism and co-dominance taking...

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  3. (a) Why is it that the father never passes on the gene for haemophilia...

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  4. "Multiple alleles can be found only when population studies are made."...

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  5. In a cross between a true breeding red flowered and true breeding whit...

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  6. Pea seeds with BB alleles have round seeds and large strach grains ,Wh...

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  7. Why is the frequency of red-green colourblindness is many times higher...

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  8. A color-blind child is born to a normal couple. Work out a cross to sh...

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  9. Mendel published his work on inheritance of characters in 1865, but is...

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  10. A cross between a normal couple resulted in a son who was hemophilic a...

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  11. Linkage and crossing-over of genes are alternatives of each other. Jus...

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  12. A teachers wants his/her students to find the genotypes of pea plants ...

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  13. (a) A couple with blood groups 'A' and 'B' respectively have a child w...

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  14. A large number married couples the world over are childless. It is sho...

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  15. What is a test cross ? How can it decipher the heterozygosity of a pla...

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  16. Can a plant flowering in Mumbai be pollinated by pollen grains of the ...

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  17. Both Heamophilia and Thalassemia are blood related disorders in humans...

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  18. What is heterogamy ?Explain the mechanism of sex determination in Dros...

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