AP BIO HELP!?

Posted on 2016-09-23 18:38:00 in Biology by JACKIE

A new spotted variety of pepper moth arrives in England as an accidental import from North America. WHich of the following best describes the mode of introduction of its alleles into the gene pool? 

a.)genetic drift 
b.) gene flow 
c.) non-random mating 
d.) natural selection 
e.) mutation of the gene for either dark or light coloration

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