Answer:
natural selection- if the mutation is more helpful than regular genes it will prevail better in the gene pool
Explanation:
Answer: some members are shaped like rods and termed bacilli
Answer:
concentrating and clarifying stock.
Explanation:
just got it right on the mastery
Mutation is the primary cause of all genetic variation. Mutation is important as the first step in evolution, as it produces a new sequence of DNA for a particular gene, producing a new allele. Recombination, through intragenic recombination, may also generate a new DNA sequence (a new allele) for a particular gene.