A 9-month-old is determined to have a mutation in the LMNA gene. The nurse would discuss which possible effect of this mutation?
1. The child is likely to have profound mental retardation.
2. The child is likely to be sterile.
3. The child has a serious heart defect.
4. The child will experience premature aging.
4
Rationale 1: Mental retardation is not associated with this mutation.
Rationale 2: Sterility is not associated with this mutation.
Rationale 3: Heart defects are not associated with this mutation.
Rationale 4: This mutation is linked to Hutchinson-Gilford progeria syndrome, which is characterized by premature aging.
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