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Define the Recessive...

Define the Recessive

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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-PRACTICE QUESTIONS ( SHORT ANSWER TYPE-II QUESTIONS)
  1. Define phenotype.

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  2. Define the Dominant

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  3. Define the Recessive

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  4. Discuss under what conditions the ratio 9:3:3:1 is modified to 9: 7 ra...

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  5. What is pedigree analysis? What are the symbols used in such an analys...

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  6. Why do the sons of a carrier mother and a normal father suffer from ha...

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  7. A woman gave birth to four daughters in successive pregnancy. How woul...

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  8. A plant with red flowers was crossed with another plant of the same sp...

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  9. What are duplication and translocation in connection with chromosomal ...

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  10. Why do mostly men suffer from haemophilia and colour blindness? Under ...

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  11. What is aneuploidy and polyploidy? Give one example of each.

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  12. Explain the mechanism of sex determination in humans.

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  13. What is a testcross? What is its significance? Give the phenotypic rat...

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  14. Differentiate between linkage and sex-linked inheritance. Describe the...

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  15. A mother with O type of blood group has conceived. The expected blood ...

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  16. Human skin colour is believed to be controlled by at least three sepra...

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  17. Taking the example of ABO blood types of humans, explain the phenomena...

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  18. What are linked genes? Diagrammatically represent a cross between a wh...

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  19. What is codominance? How does it differ from incomplete dominance?

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  20. If a true breeding homozygous pea plant with green pod and axial flowe...

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