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Question 89

Which statement about human height and body mass is correct?

  1. They are set by inherited alleles alone, whatever the diet
  2. They are set by diet alone, whatever the alleles
  3. They depend on inherited alleles and on factors such as diet togetherBonne réponse
  4. They are set by inherited alleles until adulthood and by diet afterwards

Explication

Inherited alleles set the range an individual could reach, and the food and conditions of childhood decide where inside that range the person actually ends up. Assigning such a characteristic to alleles alone cannot explain why well fed populations grow taller than poorly fed ones, and assigning it to diet alone cannot explain why tall parents tend to have tall children.

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Question 89: Which statement about human height and body mass is correct? · Genetics Basics · Questena