. Elementary biology; an introduction to the science of life . 61 62 63 Fig. 246. The idea of the germ plasm When a fertilized egg, g, develops into a new individual, d, part of the protoplasm becomes the body, or soma, and part remains germ, within the body, where it is nurtured The germ is not a product of the body in any sense. Each body, b^, bo, /'g, is a branch, or development, of the germ, but the stream of germ material is continuous. The nature of the germ determines the kind of individuals or persons that will develop; the body does not influence the germ an individual in the course o
. Elementary biology; an introduction to the science of life . 61 62 63 Fig. 246. The idea of the germ plasm When a fertilized egg, g, develops into a new individual, d, part of the protoplasm becomes the body, or soma, and part remains germ, within the body, where it is nurtured The germ is not a product of the body in any sense. Each body, b^, bo, /'g, is a branch, or development, of the germ, but the stream of germ material is continuous. The nature of the germ determines the kind of individuals or persons that will develop; the body does not influence the germ an individual in the course of his lifetime are ever reproduced in the offspring, although you will find many people who firmly believe that such modifications are actually transmitted. 482. Sports. The appearance from time to time of an un- usual kind of individual that the breeders and horticulturists call a sport would suggest that germ plasm may undergo important changes. There appeared on a farm in Massachu- setts, in 1791, a queer sheep with a long body and very short, crooked legs. This " ancon " ram was kept for many years, and had many offspring with normal sheep. All the hybrids showed the same curious character. This "turnspit" type of
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