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When two hybrids of rrTt and Rrtt are cr...

When two hybrids of rrTt and Rrtt are crossed, the phenotypic ratio of offspring shall be:

A

3 :1

B

9 :3: 3 :1

C

1 : 1

D

1 : 1 : 1 : 1

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The correct Answer is:
D
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  1. A gene that masks another gene expression is called

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

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  3. When two hybrids of rrTt and Rrtt are crossed, the phenotypic ratio of...

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

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  5. In F(2) generation quantitative inheritance of 1:4:6:4:1 is obtained i...

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  6. Incomplete dominance is shown by:

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  7. Cross between unrelated group of organisms is called

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  8. In pigs, white coat (W) is dominant to black (w). Two white pigs are b...

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  9. A dihybrid test cross-yeilding a result of 1 : 1 : 1 : 1 ratio is indi...

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  10. A condition where a certain gene is present in only a single copy in a...

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  11. The phenomenon of a single gene regulating several phenotypes is calle...

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  12. Which of the following genes show the heterozygous condition?

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  13. When a dihybrid cross is fit into a Punnett square with 16 boxes, the ...

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  14. A human male produces sperms with the genotypes AB, Ab, aB, and ab per...

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

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  16. 1:2:1 phenotypic and genotypic ratio is found in

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  17. Which of the following is a test cross?

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  18. Genotypic ratio of a monohybrid cross is

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  19. A pure tall and a pure dwarf plant were crossed to produce offsprings....

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  20. If Aabb x aaBB, then phenotypic ratio of its progeny (F(2) -generati...

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