MATHEMATICS AND ENGINEERING IN NATURE
457
Fig. 7.
of their respective numbers is generally 3 to 1. To explain this fact, first observed by Mendel, the hypothesis is made that in crossing the specific sexual elements merely associate and do not form a new uniform individual element. Among the G- and W- elements, in equal numbers, the following combinations are possible during the act of generation:
G and G,
G and W,
W and G,
W and W.
Fig. 8.
