Answer these two questions plz

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.