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In a genetic cross having recessive epis...

In a genetic cross having recessive epistasis, `F_(2)` phenotypic ratio would be

A

`9:3:4`

B

`9:6:1`

C

`12:3:4`

D

`13:3`

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The correct Answer is:
A
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AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II
  1. The crossing over between homologous chromosomes never exceeds beyond

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  2. Cis tans expression of genes is an example of

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  3. In a genetic cross having recessive epistasis, F(2) phenotypic ratio w...

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  4. Independent genes that copy other genes so as to produce a similar eff...

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  5. Chromosome map is useful for

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  6. The percentage of recombination involving the seed shape and seed colo...

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  7. Genetic map is one that

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  8. Distance between the genes and percentage of recombination shows.

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  9. Type of gene mutation which involves replacement of purine with pyrimi...

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  10. Mutations induced by 5-bromo uracil are

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  11. Given below is the representation of a kind of chromosomal mutation: ...

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  12. Inversion without involving the centromere is called

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  13. Aneuploidy which results in loss of a complete homologous pair of ch...

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  14. Cytoplasmic male steritiy in maize is due to defective

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  15. Duplication of same gemome leads to

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  16. Which of the following will cause a more effective mutation?

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  17. Recessive mutations are expressed in

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  18. If the above normal gene sequence changes to ABCABCDEFGH, then has occ...

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  19. In gene mutations when a purine is substitde by another purine it is c...

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  20. If a part of gene is totally missing, it is called

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