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In pumpkins, yellow (Y) is dominant over...

In pumpkins, yellow (Y) is dominant over white, big (B) is dominant over small (b). What is the expected phenotypic ratio of the offsprings when pumpkins, heterozygous for both traits are crosses?

A

`9 : 7`

B

`1 : 1 : 1 : 1`

C

`9 : 3 : 4`

D

`9 : 3 : 3 : 1`

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Verified by Experts

The correct Answer is:
D
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GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. In a dihybrid cross, pure homozygous plants will be:

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  2. Genotypic ratio of dihybrid cross is:

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  3. In pumpkins, yellow (Y) is dominant over white, big (B) is dominant ov...

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  4. In a cross between AABB xxaabb, the ratio of F(2) genotype between AAB...

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  5. Mendel's law of independent assortment is based on F(2) ratio of

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  6. Female AaBb is crossed with male Aabb. The gametes shall be:

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  7. From a cross AABb xx aaBb, the genotypes AaBB, AaBb, Aabb, aabb will b...

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  8. In a certain plant, red fruit ( R ) is dominant over yellow fruit ( r...

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  9. In guinea pigs, smooth coat (S) is dominant over rough coat (s) and bl...

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  10. In humans, short fingers and discontinuous hairline are dominant over ...

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

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  12. The cytological event that corresponds to Mendel's law of independent ...

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  13. Which of these could be a normal gamete?

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  14. Gametes of AaBb individuals can be:

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  15. Genetic traits are often carried on separate chromosomes. Which of the...

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  16. An individual heterozygous for two alleles (CcDd) produce one million ...

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  17. Probability of genotype TTrr in "F"(2) generation of a dihybrid cross ...

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  18. Had Mendel decided to study those traits together which are determined...

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  19. Mendelian recombinations are due to:

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  20. Independent assortment means:

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