Explain what diffusion is and how it relates to cells

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

What happens when the cell copies its chromosomes

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 ?