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There is a plant, in which genes for bla...

There is a plant, in which genes for black or white flower colour do not show complete dominance or recessiveness. If a plant carrying only black flower colour genes is crossed with a plant with only white flower colour genes, all the offsprings have grey flowere. If two of these grey flowered plants were crossed, the theoretical progeny ratio would be

A

Wither all black or all white

B

1/2 black, 1/2 white

C

1/2 grey, 1/4 white, 1/4 black

D

All of the above are grey

Text Solution

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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 )
  1. What is the probability of homozygous plants for both dominant charact...

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  2. The allele for coloured seed coat '(S) is dominant over that of white ...

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  3. There is a plant, in which genes for black or white flower colour do n...

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  4. In pea plants, round seed is dominant over wrinkled seed. A plant hete...

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  5. The work of Mendel remained unnoticed for 34 yrs because

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  6. Which one of the following individuals cannot produce 16 different gam...

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  7. If one gametophyte fern plant shows characters A and B and is crossed ...

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  8. In andalusian fowl, the heterozygous condition f alleles for balck plu...

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

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

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

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

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

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

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

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

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

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

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

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

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