. The physical basis of heredity . Heredity. MENDEL'S SECOND LAW 69 If the single comb be supposed to be the wild type, then Pea and Rose represent dominant mutant types,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Morgan, Thomas Hunt, 1866-1945. Philadelphia : Lippincott

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphiladelphialippin