Color deficiency is more common in men than in women because women cannot inherit the gene from their fathers. the gene is located on the y chromosome. men get more copies of the gene than do women. crossing over occurs only in women. men have only one x chromosome.

Which statement is most likely megan’s conclusion? the hypothesis is supported because the most common blood type in the united states is ab+. the hypothesis is not supported because the most common blood type in the united states is o+.

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

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 ?