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A cross between a organism with dominant...

A cross between a organism with dominant phenotype and a homozygous recessive to know the genotype of former is called :

A

Back cross

B

Test cross

C

Reciprocal cross

D

Monohybrid cross

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The correct Answer is:
B
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A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is colled :

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Back cross is a test for genotype of an organism with dominant phenotype.

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MODERN PUBLICATION-HEREDITY AND VARIATION-EXERCISE
  1. When a hybrid tall pea plant is cross fertilized with a dwarf pea plan...

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  2. Law of segregation explains expression of recessive characters in :

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

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

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  5. A pair of contrasting characteristics is called :

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

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

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

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

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

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

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

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

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  14. Test cross is a cross between :

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

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  16. Genetics tern was proposed by

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

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

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

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

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