alleryThe vector sequence from which replication begins is the:
AOrigin of replication
BSelectable marker gene
CPalindromic cut region
DForeign gene sequence
Answer & Solution
Correct answer: A. Origin of replication
1. An alien DNA piece cannot multiply on its own.
2. It must be linked to a sequence that starts replication.
3. That sequence is the origin of replication.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_
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