What is the most correct genetic reason why an athlete’s strong muscles do not pass directly to offspring?
Answer and explanation
Correct answer: Exercise-induced muscle change generally does not alter genes in gametes
Regular training can enlarge or strengthen an athlete’s muscles through changes in body tissues, but this is an acquired somatic change. It does not normally alter the DNA carried by sperm or eggs. Since offspring arise from genetic information in gametes, the exercise-produced muscle development is not directly transmitted. The distractors are false because muscles contain cells, offspring do not form from food alone, and exercise does not destroy chromosomes.
Frequently asked questions
What is the correct answer to this question?
Exercise-induced muscle change generally does not alter genes in gametes
Why is this the correct answer?
Regular training can enlarge or strengthen an athlete’s muscles through changes in body tissues, but this is an acquired somatic change. It does not normally alter the DNA carried by sperm or eggs. Since offspring arise from genetic information in gametes, the exercise-produced muscle development is not directly transmitted. The distractors are false because muscles contain cells, offspring do not form from food alone, and exercise does not destroy chromosomes.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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