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In a dihybrid cross, if you get 9:3:3:1...

In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that

A

The alleles of two genes are interacting with each other

B

It is a multigenic inheritance

C

It is a case of multiple allelims

D

The alleles of two genes are segregating independently

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The correct Answer is:
D
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AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II (NCERT Examplar problems)
  1. All genes located on the same chromosome

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  2. Conditions of a karyotype 2n pm 1 and 2n pm 2 are called

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  3. Distance between the genes and per- centage of recombination shows

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  4. If a genetic disease is transferred from a phenotypically normal but c...

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  5. In sickle cell anaemia glutamic acid is re- placed by valine. Which on...

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  6. Person having genotype I^(A) I^(B) would show the blood group as AB. T...

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  7. ZZ/ZW type of sex determination is seen in

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  8. A across between two tall plants resulted in offspring having few dwar...

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  9. In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that

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  10. Which of the following will not result in variations among siblings ?

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

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  12. Occasionally, a single gene may express more than one effect. The phen...

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  13. In a certain taxon of insects some have 17 chromosomes and the others ...

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  14. The inheritance pattern of a gene over generations among human is stud...

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

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  16. Two genes 'A' and 'B' are linked. In a dihybrid cross moveing these t...

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  17. In the F(2) generation a Mendelian dihybrid cross, the number of pheno...

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  18. Mother and father of a person with 'O' blood group have 'A' and 'B' bl...

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