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In Antirrhinum RR is phenotypically red,...

In Antirrhinum RR is phenotypically red, rr is white and Rr is pink. Mention the phenotype and the ratio in F1 generation of the following crosses: (i) RR X Rr (ii) rr RR (iii) Rr x Rr (iv) rr x Rr .

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To solve the question regarding the phenotypes and ratios in the F1 generation of the given crosses in Antirrhinum, we will analyze each cross step by step. ### Step-by-Step Solution: 1. **Cross (i): RR x Rr** - **Gametes from RR**: R, R - **Gametes from Rr**: R, r - **Punnett Square**: ...
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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-MULTIPLE CHOICE QUESTION
  1. In Antirrhinum RR is phenotypically red, rr is white and Rr is pink. M...

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  2. The genetic ratio of 9:3:3:1 is due to:

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  3. Choose the chromosome, in a human, that possesses least number of gene...

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  4. G. J. Mendel was a:

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  5. Select the incorrect match.

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  6. In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:

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  7. A monohybrid cross produced tall and dwarf pea plants in ratio of 3:1....

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  8. Common test to find genotype of hybrid is by:

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  9. Which one is a test cross?

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  10. Mating of an organism to a double recessive in order to determine whet...

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  11. A cross between two tall plants resulted in offspring having few dwarf...

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  12. The term genetics was proposed by:

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  13. The F2 genotypic ratio of monohybrid cross is:

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  14. A dihybrid for qualitative trait is crossed with homozygous recessive ...

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  15. In order to find out the different types of gametes produced by a pea ...

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  16. The autosomal disorder/disease in humans is:

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  17. Distance between the genes and percentage of recombination shows:

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  18. In Mirabilis jalapa, the number of F2 red flowered plants in a cross ...

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  19. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

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  20. Which of the following is best suited for codominance?

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  21. Incomplete dominance is shown by:

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