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Occassionally, a single gene may express...

Occassionally, a single gene may express more than one effect. The phenomenon is called

A

Multiple allelism

B

Mosaicism

C

Pleiotropy

D

Polygeny

Text Solution

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The correct Answer is:
C
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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+-1 and 2n+-2 are called

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  3. Distance between the ganes and prcentage 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, glutmic acid is replaced by valine. Which one ...

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

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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 dward...

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  9. In a dihybrid cross, if youget 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 o...

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  12. Occassionally, a single gene may express more than one effect. The phe...

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  13. In a certain taxon of insects,some have 17 chromosomes and the other h...

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  14. The inheritance patterns of a gene over generations among humans is st...

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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 two g...

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  17. In the F(2) generation fo a mendelian dihybrid cross, the number of ph...

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

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