. The elements of genetics. Genetics. Tetrad of Spores or Gsrm Cells. Fig. 6.—The structural and genctical history at meiosis of two pairs of chromosomes, one partner in each hatched, undergoing crossing-over and segregation. Note that all four products differ in the genetical origin of each of their chromosomes even where only one chiasma has been formed in a bivalent (from Darlington 1945). 3^. 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 elements of genetics. Genetics. Tetrad of Spores or Gsrm Cells. Fig. 6.—The structural and genctical history at meiosis of two pairs of chromosomes, one partner in each hatched, undergoing crossing-over and segregation. Note that all four products differ in the genetical origin of each of their chromosomes even where only one chiasma has been formed in a bivalent (from Darlington 1945). 3^. 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 Darlington, C. D. (Cyril Dean), 1903-; Mather, Kenneth. New York : Macmillan


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Keywords: ., bookcentury1900, bookpublishernewyorkmacmil, booksubjectgenetics