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  • Which of the following traits is generally administered b...
Multiple choice

Which of the following traits is generally administered by a single gene?

  1. Obesity

  2. Hair colour

  3. Skin colour

  4. Sickle-cell anemia

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sickle-cell anemia is a disease caused by the replacement of a single amino acid to a single mutation in DNA.  

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