Biology for IGCSE & O level - Inheritance (Section 5 - No. 17)
Which of the following are examples of traits that are likely influenced by multiple genes (polygenic inheritance)?
Human skin color
Eye color
Blood type
Pea plant height
Explicaţie
Skin and eye color are complex traits controlled by multiple genes, unlike blood type (ABO) or pea plant height (monohybrid cross).