Which of the following statements accurately describes the relationship between weight gain and genetics?

• A. Weight gain is solely determined by environmental factors, not genetics.
• B. Genetics can influence metabolic rate, which affects weight gain.
• C. All individuals with the same genetic makeup will gain weight at the same rate.
• D. Genetic factors have no impact on appetite regulation.

Answer: (B)

Verified step by step guidance

1. Identify the key concept: The relationship between genetics and weight gain.
2. Understand that genetics can influence various physiological processes, such as metabolic rate and appetite regulation, which can affect weight gain.
3. Evaluate the statement: 'Weight gain is solely determined by environmental factors, not genetics.' Consider that while environmental factors play a significant role, genetics also contribute to weight gain.
4. Evaluate the statement: 'All individuals with the same genetic makeup will gain weight at the same rate.' Recognize that even with similar genetics, individual lifestyle and environmental factors can lead to different weight gain rates.
5. Evaluate the statement: 'Genetic factors have no impact on appetite regulation.' Understand that genetic factors can indeed influence appetite regulation, affecting weight gain.