Same chapter3 marksDifficulty: Medium
Distinguish between homozygous and heterozygous, and between dominant and recessive.
Genetics
3 marksDifficulty: Medium
What is a mutation? State one example in human beings.
Original Khojo Papers practice question — not from a past board paper.
Answer
A mutation is a sudden inheritable change in the genetic material of an organism. Sickle cell anaemia, caused by a change in a single base of the gene for haemoglobin, is an example in human beings.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Mutations are the ultimate source of new variation.
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