Q1 The most common abnormality found in colorectal cancer is
a.mutation in the Wnt signalling pathway
b.mutation in TP53 GENE
c.mutation in TGF -beta gene
d.deleted DCC gene
ANS1.a
The most commonly mutated gene is the APC gene
Q2.Cellular or physiological effects resulting from external or
environmental factors that switch genes of or on is known as
a.epigenetic alternations
b.hypogenetic alternation
c.hypergenetic alternation
d.random alternation
ANS .a
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