An infant's genetic disorder is a result of monosomy. What explanation would the nurse provide to the parents?
1. "Your baby is missing a chromosome."
2. "Your baby has an extra set of all the chromosomes."
3. "Your baby has an extra chromosome."
4. "Your baby's cells are haploid."
1
Rationale 1: Monosomy is a form of aneuploidy characterized by the loss of a single chromosome.
Rationale 2: The presence of an entire extra set of chromosomes is called polyploidy.
Rationale 3: The gain or loss of a chromosome is called aneuploidy. When an extra chromosome is present, it is also called trisomy.
Rationale 4: Only human sex cells are haploid, containing a single set of chromosomes. This explanation is not correct for the baby's disorder.
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