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A single gene mutation affecting more th...

A single gene mutation affecting more than one phenotype is called

A

Azotrophic

B

Pleiotropic

C

Auxotropic

D

Pleiotrophic

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The correct Answer is:
B
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Gene mutation means

Gene mutation is :

The gene which affect more than one phenotype called pleiotropic gene.

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ARIHANT NEET-CHROMOSOMAL BASIS OF INHERITANCE-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. Recessive mutations are expresssed in:

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  2. Which of the following will cause a more effective mutation?

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  3. A single gene mutation affecting more than one phenotype is called

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  4. Any change during cell division that result is loss or gain of one or ...

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  5. Hereditary variations in plants have been produced

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  6. Who has introduced X-rays mutations in barley and maze ?

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  7. A hypothetical series of 20 multiple alleles is known for a certain lo...

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  8. When an amino acid is replaced by another owing to a mutation, it is c...

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  9. Which one of the following is not a mutagen

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  10. The ultimate biological unit which controls heredity, is called :

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  11. Bent', a dominant sex-linked allele B,in the mouse results in a short,...

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  12. The frequency of a mutant gene in a population is expected to increase...

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  13. A species or type of a plant derived from doubling the chromosome of F...

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  14. Abyssinian oat is a teraploid with 28 chromosomes. The common cultivat...

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  15. First definite proof of mutagenic action (effect) of X-rays was discov...

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  16. Tautomerisation is seen in

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  17. Dhatura is a classical example of a

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  18. If the haploid number of chromosomes in a plant is 12, then the number...

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  19. Beadle and Tatum induced mutation in Neurospora crassa by

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  20. The mutation in germ cells

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