. Principles of modern biology. Biology. Heredity - 503 HOW TRIPLETS MAY BE PRODUCED (fy Single sperm fertiliies — single egg Fertilized eg^ (embryo divides as in twins. RESULT: IDENTICAL TRIPLETS (Always of same sex) /q\ Two separate sperms fertilize ^-^ two separate eggs. 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 Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

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