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What is Chiasma ?...

What is Chiasma ?

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crossing over takes place in the pachytene stage of meiosis - I, where there is exchange of segments between two non- sister chromatids. It occurs at several points all along their length and the point of contact between these non-sister chromatids of homologous chromosomes is called chiasma
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ARIHANT PUBLICATION-HEREDITY AND VARIATION-Part II Questions For Practice (Short Answer Type Questions )
  1. Explain the phenomenon of multiple allelism and codominance taking ...

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  2. What is the phenotype of the following (a) l^(A) i (b) ii

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  3. A child has blood group O. If the father has blood group A and mother ...

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  4. Explain the following What is the most common example of pleiot...

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  5. Explain the following How are the pleiotropic genes useful ?

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  6. State the significance of crossingover.

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  7. What is Chiasma ?

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  8. What is likage? mention it's Significance.

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  9. Write a short notes on: Crossing over

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  10. Define multiple allelism

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  11. During his studies on genes in Drosophila that were sex-linked, TH ...

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  12. List three different allelic forms of gene 'I' in human . Explain th...

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  13. A woman with blood group 'A' marries a man with blood group 'O' . Di...

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  14. A woman with blood group 'A' marries a man with blood group 'O' . Di...

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  15. blood group are called universal recipient.

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  16. Explain ABO blood group?

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  17. Inheritance pattern of flower colour in garden pea plant and snapdrago...

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  18. Explain the genetic basis of blood grouping in human population

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  19. Can a child have blood group o if his parents have blood group A and b...

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  20. How do genes and chromosomes share similarity from the point of view ...

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