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In a dihybrid cross, pure homozygous pla...

In a dihybrid cross, pure homozygous plants will be:

A

2

B

1

C

3

D

9

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The correct Answer is:
A
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A pure homozygous pea plant with yellow round seeds is crossed with a pure homozygous pea plant with green wrinkled seeds. Their progeny produced is allowed to undergo self - pollination. It produces four different phenotypes . Each phenotype is an expression of different types of genotypes. Select the correct option from the table.

GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. Ratio 1:1:1:1 is obtained from a cross of

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  2. Phenotypic ratio of dihybrid test cross is:

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  3. In a dihybrid cross, pure homozygous plants will be:

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  4. Genotypic ratio of dihybrid cross is:

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

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

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

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

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

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

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

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

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

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

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  15. Which of these could be a normal gamete?

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  16. Gametes of AaBb individuals can be:

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

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

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

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

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