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After a cross of tall plant and dwarf pl...

After a cross of tall plant and dwarf plant,in `F_1` generation ratio of tall : dwarf is 50 : 50. What are the genotypes of parents ?

A

Tall heterozygous, dwarf homozygous

B

Both homozygous

C

Both heterozygous

D

Dwarf heterozygous, tall homozygous

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The correct Answer is:
A
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MODERN PUBLICATION-HEREDITY AND VARIATION-EXERCISE
  1. Law of segregation explains expression of recessive characters in :

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  2. A cross between a organism with dominant phenotype and a homozygous re...

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  3. After a cross of tall plant and dwarf plant,in F1 generation ratio of ...

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  4. A pair of contrasting characteristics is called :

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  5. A couple with blood groups A and B may have children with blood group ...

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  6. Which of the following ratio represents a test cross ?

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  7. An F2 genotypic ratio of 1:4:6:4:1 instead of 9:3:3:1 indicates :

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  8. Which term was used by mendel to represent hereditary unit ?

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  9. Right - handedness is dominant over left- handedness . Most probable g...

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  10. What types of genotypes are expected when a plant with AABb genotypes ...

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  11. Which one of the following is an example of polygenic inheritance?

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  12. How many different kinds of gametes will be produced by a plant having...

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  13. Test cross is a cross between :

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  14. A pure tall and a pure dwarf plant were crossed to produced offsprings...

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  15. Genetics tern was proposed by

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  16. Mother homozygous B,and father is A. What will be the possible blood g...

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  17. In ABO blood groups, how many phenotypes are found ?

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  18. When a tall plant with round seeds ( TTRR ) crossed with a dwarf plant...

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  19. In man , the blue eye colour is recessive to the brown eye colour . If...

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  20. A common test to find the genotype of a hybrid is by:

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