Why Would Natural Selection Favor Reduced Parasitic Bacterial Genomes

question 15

Multiple Choice

Why would natural selection favor reduced parasitic bacterial genomes?

• A)The parasitic lifestyle eliminates metabolism leading to gene loss.
• B)Parasites have reduced metabolic needs leading to gene loss.
• C)Parasitic bacteria are primitive and never had metabolic genes.
• D)Transposons have caused mutagenesis and genes have been lost.

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