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NEET2025ZoologyPrinciples of Inheritance and VariationActual

What is the pattern of inheritance for polygenic trait?

Options

  1. AMendelian inheritance pattern
  2. BNon-mendelian inheritance pattern
  3. CAutosomal dominant pattern
  4. DX-linked recessive inheritance pattern

Correct answer

B. Non-mendelian inheritance pattern

Step-by-step solution

Polygenic inheritance refers to the inheritance of a trait controlled by two or more genes. When human disorders are determined by mutation in the single gene then they are transmitted to the offspring as per Mendelian principle. Polygenic trait shows non-Mendelian inheritance pattern.

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