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Pure tall plants are crossed with pure d...

Pure tall plants are crossed with pure dwarf plants . In the `F_1` - generation , all plants were tall . These tall plants of `F_1` -generation were selfed and the ratio of tall to dwarf plants obtained was `3 : 1` . This is called :

A

dominance

B

inheritance

C

codominance

D

heredity

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The correct Answer is:
A
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USHA PUBLICATION-HEREDITY & VARIATION -EXERCISE
  1. The total number of progeny obtained from a dihybrid cross is 1280 in ...

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  2. What type of gametes will form by genotype RrYy ?

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  3. Pure tall plants are crossed with pure dwarf plants . In the F1 - gene...

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  4. The term linkage was coined by

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  5. Crossing over is advantageous because it brings about

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  6. Law of Mendel , which is not completely applicable is ?

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  7. If a plant having yellow and round seeds was crossed with another plan...

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  8. The 1 : 2 : 1 ratio with the pink flower in the F2 generation indicate...

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  9. Probability of genotype TTrr in F2 - generation of a dihybrid cross is...

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  10. Which one of the following was rediscoverer of Mendel's work :

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  11. How many different types of gametes can be formed by F1 progeny , resu...

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  12. What will be the gametic chromosome number of a cell , if somatic cell...

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

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  14. Which law Mendel would not have proposed , if the phenomenon of linkag...

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  15. The number of genotypes produced in F2 generation in Mendel's monohybr...

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  16. In which of the crosses , half of the offspring show dominant phenotyp...

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  17. Two allelic genes are located on the :

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  18. Red ( RR ) Antirrhinum is crossed with white ( rr ) one . The F1 hybri...

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  19. In a dihybrid cross , in F2 generation , the parental types are far gr...

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  20. Fill In The blank : The accepted law of Mendel is …………………..

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