Multiple choice

Can sickle cell anemia be passed down if only one parent possesses the gene?

  1. Yes

  2. No

  3. It depends on the gender of the parent and offspring
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sickle cell anemia is an autosomal recessive disorder. A person must inherit two copies of the mutated gene (one from each parent) to have the disease; if only one parent possesses the gene, the offspring can be a carrier but will not have the disease.

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