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STD 12 - 4. principal of inheritance and variation — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
When one gene controls two or more different characters simultaneously, the phenomenon is called
  • A
    apomixis
  • ✓
    pleiotropy
  • C
    polyploidy
  • D
    polyteny
✓

Answer

Correct option: B.
pleiotropy
b
Pleiotropy is the condition in which a single gene influences more than one trait.

Polyploidy is a condition in which individuals have more than two complete sets of chromosomes.

Apomixis is a reproductive process in plants that superficially resembles normal sexual reproduction but there is no fusion of gametes.

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