An infant was born with a condition resulting from genetic nondisjunction. What information should the nurse consider when developing a teaching plan for the parents?
1. Nondisjunction rarely causes profound defects in the child.
2. Nondisjunction is associated with pregnancy in older women.
3. The primary cause of nondisjunction is fertilization with sperm from an older man.
4. The effects of nondisjunction are easily corrected with gene therapy.
2
Rationale 1: Nondisjunction is a common cause of genetic disorders, some of which have devastating effects.
Rationale 2: Nondisjunction occurs more frequently in the eggs of women as they get older.
Rationale 3: The cause of nondisjunction is not known.
Rationale 4: The effects of nondisjunction are not correctable with today's technology.
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