Q. Deletions in chromosomes give the following data-
Region of deletion Gene A activity
A1 +++
A2 ++
A3 +
A4 +++
A5 +++
Where is the gene located?
A. A1
B. Within A2 and A3
C. Within A4 and A5
D. Between A3 and A4
.Answer: Within A2 and A3
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