Where is a gene designated 9p23 located?
a. Short arm of chromosome 23, region 9
b. Long arm of chromosome 3, region 2, band 9
c. Short arm of chromosome 9, region 2, band 3
d. On the translocated part of chromosome 9 on chromosome 23
ANS: C
A gene designated 9p23 is located on the short arm of chromosome 9, region 2, band 3, using standard nomenclature.
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Fill in the blank(s) with the appropriate word(s).
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