Question:
What is the pattern of inheritance for polygenic trait?
What is the pattern of inheritance for polygenic trait?
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Polygenic inheritance refers to traits that are influenced by multiple genes and often show continuous variation. Unlike Mendelian traits, polygenic traits do not follow simple dominant-recessive inheritance patterns.
Updated On: Jan 13, 2026
- Non-mendelian inheritance pattern
- Autosomal dominant pattern
- X-linked recessive inheritance pattern
- Mendelian inheritance pattern
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The Correct Option is A
Solution and Explanation
Polygenic traits are controlled by multiple genes, usually located on different chromosomes. These traits do not follow the simple Mendelian inheritance pattern but instead show continuous variation and are often influenced by environmental factors as well. Such traits exhibit a non-mendelian inheritance pattern.
For example, traits like skin color, height, and weight in humans are polygenic traits and are influenced by multiple genes with varying degrees of dominance and interaction.
Thus, the correct answer is Non-mendelian inheritance pattern.
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Statement II: In Polygenic inheritance, the effect of each allele is additive.
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