Exams › NEET › Biology

A polygenic inheritance in human beings is

1. Skin colour
2. Phenylketonuria
3. Colour blindness
4. Sickle cell anaemia

Correct answer: Skin colour

Solution

Skin colour is a classic polygenic trait because several genes contribute small additive effects to the final phenotype. The other options are mainly single-gene disorders or sex-linked conditions, not polygenic inheritance.

Related NEET Biology questions

• Pea plants were more suitable than cattle for Mendel's experiment because
• Identify the wrong statement about meiosis.
• Which condition of zygote cell will lead to birth of a normal human female child
• A human zygote has
• DNA in the offsprings is contributed by
• A common test to find the genotype of a hybrid is by

⚔️ Practice NEET Biology free + battle 1v1 →