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BIO NMDCAT Lamarckism
nmdcat.online July 14, 2026

An athlete develops highly defined muscular hypertrophy through rigorous weight training. According to the principle of “Inheritance of Acquired Characters,” what should be expected of their biological offspring?

A. They will inherit the muscular hypertrophy at birth.
✓
B. They will inherit only the genetic potential for muscle growth.
C. They will show muscle atrophy due to developmental compensation.
D. They will show no change in muscle structure compared to the general population.

📝 Explanation

Lamarck's fourth postulate states that somatic modifications acquired during an organism's lifetime due to use/disuse are directly transmitted to the next generation.

📖 Additional Information

  • They will inherit the muscular hypertrophy at birth.
  • They will inherit only the genetic potential for muscle growth.
  • They will show muscle atrophy due to developmental compensation.
  • They will show no change in muscle structure compared to the general population.

Lamarck's fourth postulate states that somatic modifications acquired during an organism's lifetime due to use/disuse are directly transmitted to the next generation.

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