Cytogenetics is performed on the bone marrow of a patient, and 20 cells are examined. The patient's karyotype is reported as 47, XX, +7(14), indicating that:
a. This is a female patient with trisomy chromosome 7 found in 14 of the cells examined.
b. This is a female patient with monosomy chromosome 7 found in 1 of 4 cells examined.
c. This is a male patient with trisomy 7 found in 1 of 4 cells examined.
d. This is a male patient with monosomy 7 found in 14 of the cells examined.
ANS: A
This is a female patient (XX). She has an additional chromosome 7 (+7) found in 14 of the 20 cells that were examined.
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