A baby is born with a genetic disorder that did not affect either of the parents. What would the nurse deduce about this situation?
1. The mother is the carrier of the disorder.
2. The father is the carrier of the disorder.
3. The father is not the biological father of the baby.
4. Both parents are carriers of the disorder.
4
Rationale 1: If only one parent was affected, the child would not be born with the disorder but simply be a carrier as well.
Rationale 2: If only one parent was affected, the child would not be born with the disorder but simply be a carrier as well.
Rationale 3: There is no evidence to contradict the father's paternity.
Rationale 4: A child born with a recessive condition has inherited one altered gene from the mother and one from the father. In most cases neither parent is affected; therefore, each parent must have a single gene alteration on one chromosome of a pair and the normal, wild-type, or unaltered form of the gene on the other chromosome. These parents are carriers and do not usually exhibit any signs and symptoms of the condition.
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