The nurse is assigned to care for a neonate who is born with a chromosomal abnormality. The nurse is reviewing the cytogenetic location of the chromosomal defect for this patient. The results state the patient has a deletion at 14q21. Which of the following is the correct interpretation of this result?

The defect is on the long arm of chromosome 14 at position 21. The cytogenetic location of a genetic defect is designated based on the chromosome number and position on the arm of a chromosome. The first number is the chromosome number. The letter represents the arm (p: short arm, q: long arm) of the chromosome. The second number is the position of the gene. Therefore, a defect at 14q21 is at the 21st position of the long arm of the chromosome 14.

The nurse is assigned to care for a neonate who is born with a ch...

Category: Reduction of Risk Potential
Difficulty: 5

Topics: Genetics Growth & Development Health Screening Neonatal Care

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