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Distinguish between epistasis and domina...

Distinguish between epistasis and dominance. State the ratio obtained in dihybrid crosses in `F_2` with each one of these phenomena.

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In quantitative inheritance F_(2) ratio obtained in a dihybrid cross is

The phenotypic ratio in the F_2 generation of dihybrid cross is

The F_2 genotypic ratio of monohybrid cross is

In the F_(2) generation a Mendelian dihybrid cross the number of phenotypes and genotypes are

In the F_(2) generation a Mendelian dihybrid cross the number of phenotypes and genotypes are

In the F_(2) generation a Mendelian dihybrid cross, the number of phenotypes and genotypes are

Mention one significant difference between Epistasis and dominance.

The percentage of a recombinants in the F_(2) of a typical dihybrid cross is

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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-PRACTICE QUESTIONS ( SHORT ANSWER TYPE-II QUESTIONS)
  1. Define and distinguish back cross and test cross

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  2. Distinguish between epistasis and dominance. State the ratio obtained ...

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  3. A homozygous pea plant with round seed coat and yellow cotyledons is c...

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  4. Define the Heterozygous

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  5. Define the following terms: Genotype

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  6. Define phenotype.

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  7. Define the Dominant

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  8. Define the Recessive

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

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

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

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

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

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

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

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

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  17. Explain the mechanism of sex determination in humans.

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

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

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

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