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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

1)the alleles of two genes are interacting with each other

B

2) it is a multigenic inheritance

C

3) it is a case of multiple allelism

D

4)the alleles of two genes are segregat- ing independently

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The correct Answer is:
d
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TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (PRINCIPLE OF INHERITANCE AND VARIATION)-MCQs
  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 percentage 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 replaced by valine Which one o...

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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 cross between two tall plants resulted in offspring having few dwarf...

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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 amoung human is stu...

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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 involving these ...

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

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

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