New alleles can be created in all of the following ways, EXCEPT by

A) removing a DNA base at a point in the gene.

Eliminate

B) the addition or removal of a chromosome by a meiosis error.

C) substituting a DNA base at a point in the gene, with a different one.

D) mixing segments of the same gene, from two parents, during crossing-over in meiosis.

just finished the answer is B)