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In snapdragons, tall is dominant over dw...

In snapdragons, tall is dominant over dwarf and red colour of the flowere is incompletely dominant over the white and hybrid is pink. A pure tall white (TTrr) is crossed to a pure dwarf red (ttRR) and the plants of `F_(1)` - generation are self -fertilised. What will be the expected genotype of the `F_(2)` plants?

A

9:3:3:1

B

1:1:1:1

C

3:6:3:2

D

All the plants will be phenotypically different

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT NEET-MENDELIAN BASIS OF INHERITANCE -Chapter Exercise A Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
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  2. In andalusian fowl, the heterozygous condition f alleles for balck plu...

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  3. In snapdragons, tall is dominant over dwarf and red colour of the flow...

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  4. If enough crosses are made between male flies of the genotype Aa and t...

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  5. In an example of incomplete dominance, pure red flowers are crossed wi...

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  6. In dominant epistasis, gene is a dominant gene.In Cucurbita pepo, gene...

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  7. In F(2) -generation , a ratio of 1:4:6:4:1 is obtained instead of 9:3:...

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  8. When a wheat variety of red kernel is crossed with white kerneled whea...

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  9. Mating between balck rats of identical genotype produced offspring- 14...

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  10. Superiority of hybrid over its parents is called hybrid vigour(heteros...

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  11. A black female is test crossed, producing 6 black offsprings. The Prob...

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  12. Short hair is due to a dominant gene L and long ahir to its recessive ...

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  13. Mendel's law of independent assortment holds good for genes situated...

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  14. In the F(2) generation a Mendelian dihybrid cross the number of phenot...

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  15. A 1 : 1 phenotypic ratio in a test cross indicated that

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  16. Which phase of meiosis is most directly related to the law of independ...

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  17. You think that two alleles for coat colour in mice show incomplete dom...

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  18. It is said that Mendel proposed that the factor controlling any charac...

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  19. Normal maize has starchly seeds which remain smooth when dry. A mutant...

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  20. Choose the incorrect pair regarding the dominant characters in given o...

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