. Body-build and its inheritance. Heredity; Human anatomy. MWIHKK ()K I ACTuiiS IN\..|.\ 151 tively and the other or others to other regulatory mechanism of metabolism in the organism. It may well be thai one of our I is the same as that which causes hypothyroidism; another a which causes hypopituitarism, and the third that which inhibit* the normal development of the genitalia, such as v functioning in dystrophia adiposo-genitalis. This is, indeed, speculation How< the speculation is an attempt to give a concrete form to the ideal multiple factors in build. If we assume three independent f


. Body-build and its inheritance. Heredity; Human anatomy. MWIHKK ()K I ACTuiiS IN\..|.\ 151 tively and the other or others to other regulatory mechanism of metabolism in the organism. It may well be thai one of our I is the same as that which causes hypothyroidism; another a which causes hypopituitarism, and the third that which inhibit* the normal development of the genitalia, such as v functioning in dystrophia adiposo-genitalis. This is, indeed, speculation How< the speculation is an attempt to give a concrete form to the ideal multiple factors in build. If we assume three independent factors tor build, it does aol follow that these are present in all families. Just as it has been demon- strated that in different strains of mice there arc m BOD . m. Fig. 53.—Solid figure (model) giving distribution f relative chest-drth ! from birth to 20 years, reading from left to rinht. The mean index "f build age is centered on the curve of development of relative chest-girth. The i chest-girth is indicated in percentages passing from 11»«• bottom t-> th< figure. The solid figure is illuminated from the upper pari of th others only 2 factors for susceptibility to cancel. apparently, it is with build. In certain families the distribution <A build in the progeny is best accounted for on the hypothesis that, in such fa mi lie-. th be only one gametic factor for build. It has been repeatedly pointed out that in many eases where mul- tiple factors are invoked to explain the genetics! results, the results can be equally well explained on the theory of blended inherit The advantage of the factorial theory is that it brings under on of heredity even these most difficult ease- of apparently blending. 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 Davenport, Charles Benedict, 1866-1944.


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthumanan, bookyear1923