The effects of inbreeding and The effects of inbreeding and crossbreeding upon development effectsofinbreed00jone Year: 1918 PLATE X. a. The same two inbred strains and their first and second generation hybrids as in IX b. From right to left thev are: inbred strain No. 1-9-1-2, No. 1-7-1-1, (1-9 x 1-7) F2 and Fi.

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