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.
A. divided by the number of days in the billing cycle.
Answer:
How far down the layer is
Explanation:
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Answer:a major ecosystem defined by distinctive geography and receiving uniform solar radiation and moisture.
Explanation:
