Bacteria often acquire genes by the process of lateral or
horizontal transfer. Such 'foreign' genes, if acquired in recent
past, may be identified by their atypical GC content, as
compared to 'native' genes. Suppose the genomic GC content of
a bacterium is 40%. Gene A of this organism contains 1000
bases with 225 G and 215 C. Another gene B of length 800
bases contains 160 G and 140 C. Which one of the following
would be the most acceptable hypothesis (given that x2= 3.841
at 0.05 significance level

Question

Bacteria often acquire genes by the process of lateral or
horizontal transfer. Such 'foreign' genes, if acquired in recent
past, may be identified by their atypical GC content, as
compared to 'native' genes. Suppose the genomic GC content of
a bacterium is 40%. Gene A of this organism contains 1000
bases with 225 G and 215 C. Another gene B of length 800
bases contains 160 G and 140 C. Which one of the following
would be the most acceptable hypothesis (given that x2= 3.841
at 0.05 significance level

biologicalscience · Answer

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