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When many genes control only one trait i...

When many genes control only one trait is called

A

pleiotropy

B

multiple allelism

C

polygenic

D

epistasis

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The correct Answer is:
B
multiple allelism
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KUMAR PRAKASHAN-PRINCIPLES OF INHERITANCE AND VARIATION -SECTION -F (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK)
  1. Which of the following is incorrectly paired ?

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  2. Which of the following will yield 45 tall and 14 dwarf plants?

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  3. When many genes control only one trait is called

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  4. In a cross 50% individuals were tall and 50% were dwarf, so the cross ...

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  5. Percentage of homozygous offspring in a monohybrid F2 cross is ......

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  6. Which one of the following is correctly matched ?

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  7. A gene is a

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  8. The percentage homozygous recessive gametes in YyRr is

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  9. Multiple alleles are characterized by

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  10. In Drosophila gene for white eye mutation is also responsible for depi...

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  11. In order to find out the different types of gametes produced by a pea ...

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  12. Which of the following points further strengthened Mendelism ?

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  13. In maize, hybrid vigour is exploited by

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  14. Which genotype represents a true hybrid condition ?

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  15. In progeny of dihybrid cross in F2 generation how many plants are homo...

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  16. A dwarf pea plant treated with gibberellic acid becomes tall, then cro...

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  17. When RR(red) and rr(white) are being crossed, we got Rr (pink). This s...

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  18. The number of genotypes produced when individual of genotype YyRrTt ar...

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  19. Skin colour inheritance in man is

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  20. Genetics of blood group in human illustrates.

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