alleryWhich of the following is an ACQUIRED trait, not an inherited one?
AEye colour from parents
BFree or attached earlobes from inheritance
CBig muscles from regular exercise
DNatural hair colour at birth
Answer & Solution
Correct answer: C. Big muscles from regular exercise
1. Inherited traits are encoded in DNA and passed from parents to children.
2. Eye colour, earlobe shape and natural hair colour are all determined by genes.
3. Acquired traits develop during life from the environment or experience.
4. Muscles built up by regular exercise come from training, not from DNA.
5. They cannot be passed to children because the gametes carry only DNA.
6. So large muscles from training are an acquired trait, not inherited.
_Source: syllabus Science Ch 9 'Heredity' (learncbse.in extract)_
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