Heterogeneity can also arise if DNA is damaged before amplification. W – McqOptions

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1.	Heterogeneity can also arise if DNA is damaged before amplification. Which of the following doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t cause DNA damage?#
A.	Amination of bases
B.	Chemical cross-linking between the strands
C.	Chemical cross-linking within the strands
D.	Slowing down the polymerase
Answer» B. Chemical cross-linking between the strands

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