Probes for cloned genes use
a. complementary nucleotide sequences labeled
with a tracer
b. specific antibodies that kill all the cells except
those that have incorporated the genes.
c. specific enzymes that lyse all the cells except
those that have incorporated the genes.
d. certain bacteria that glow when they take up the
genes.
e. all of these.
Answer: a
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What will be an ideal response?