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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
When one gene controls two or more different characters simultaneously, the phenomenon is called as:
  • A
    Apomixis
  • ✓
    Pleiotropy
  • C
    Polyploidy
  • D
    None of the above
✓

Answer

Correct option: B.
Pleiotropy
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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