. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. 200 GENETICS IN RELATION TO AGRICULTURE Vermilion XXT Female XT Synapsis 16% XX Synapsis H%. Diesd) Wild Type Male (2) Wild Type Female (3) Wild Type Female (4) Exception Fertilization by Y Sperm oX Wild Mais' Vermilion Female { 5) Exception Dies (6) Vermilion Male (7) Vermilion Male (8) Fig. 91.—Secondary non-disjunction in tlio female. Diagram showing tlie constitu- tion of an exceptional vermilion female, the two types of synapsis, reduction, and the four classes of eggs produced. Each Icind of
. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. 200 GENETICS IN RELATION TO AGRICULTURE Vermilion XXT Female XT Synapsis 16% XX Synapsis H%. Diesd) Wild Type Male (2) Wild Type Female (3) Wild Type Female (4) Exception Fertilization by Y Sperm oX Wild Mais' Vermilion Female { 5) Exception Dies (6) Vermilion Male (7) Vermilion Male (8) Fig. 91.—Secondary non-disjunction in tlio female. Diagram showing tlie constitu- tion of an exceptional vermilion female, the two types of synapsis, reduction, and the four classes of eggs produced. Each Icind of egg may be fertilized by either of the two (A' and Y) kinds of sperm of the wild male, giving tlie eight classes of zygotes shown. {After Bridges.) Digitized by Microsoft®. 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 Babcock, E. B. (Ernest Brown), b. 1877; Clausen, Roy Elwood, 1891-. New York, McGraw-Hill; [etc. , etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksu, booksubjectplantbreeding
