What is a gene? a) a section of a protein that codes for dna b)the alternate version of a trait c)the visible trait in the f1 generation d) a section of dna that codes for a specific trait

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?