The Common Origin Of Man And Chimpanzee Is Best Shown By _____. (A) Dental Formula. (B) Binocular Vision. (C) Chromosome Number. (D) Cranial Capacity.

The correct answer is (C) Chromosome Number.

Each species has a characteristic number of chromosomes differing in size and shape.

Humans have 46 chromosomes; chimpanzees and other apes have 48.

When exposed to certain dyes, chromosomes will stain in unique ways yielding a pattern of bands along their length. The bands vary in number, location, thickness and intensity.

In the early 1980s, evolutionary biologists compared the chromosomes of humans, chimpanzees, gorillas and orangutans. These studies revealed an exceptional degree of similarity between human and chimp chromosomes.

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