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When red flowered plants are crossed wit...

When red flowered plants are crossed with white flowered plants the `F_(2)` generation gives a ration of 3:1. What do you conclude?

A

That there are lethal genes

B

That three is independent assortment

C

That white colour is dominant

D

That red colour is dominant.

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The correct Answer is:
D
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AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II
  1. Which one of the following characters studied by Mendel in garden pea ...

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  2. A sinistral shelled female snail has Dd genotype cross with dextral sh...

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  3. When red flowered plants are crossed with white flowered plants the F(...

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  4. If only one copy of a gene is present that condition is

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  5. Reciprocal cross is

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  6. A cross between two tall plants resulted in offspring having few dward...

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  7. Select the odd one out with respect to non allelic gene interactions

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  8. Persons having genotype I^(@)I^(B) would show the blood group as AB. ...

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  9. A 15 : 1 F(2) ratio of a cross between a wheat variety with red kerels...

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  10. A,B and O blood groups were discovered by

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  11. The blood group in which A and B antigens are absent

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  12. Agglutination of erythrocytes of donor will occur if

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  13. The blood groups A, B, AB and O are classified on the basis of the typ...

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  14. The blood groups will have their respective anti bodies in the

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  15. If a clump is formed with anti A and anti B antisera the blood group i...

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  16. The blood group which forms clump with only anti B antiserum

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  17. A person without A and B antigens can give blood to

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  18. When a woman heterozygous for A blod group heterozygous non albino mar...

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  19. In a dihybrid cross, if youget 9:3:3:1 ratio, it denotes that

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  20. Some individuals with blood group A may inherit the genes for blond ha...

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