. The Mechanism of Mendelian heredity. Mendel's law; Heredity; Chromosomes. 306 HEREDITY IN THE PROTOZOA phrya, and in a few other forms, a similar reduction in the number of the chromosomes has been ob- served. It would seem more probable that we. 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. New York, H. Holt

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