Breeding and the Mendelian discovery / by A.D. Darbishire ... with illustrations in colour and black-and-white.

  • Arthur Dukinfield Darbishire
Date:
1911
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Breeding and the Mendelian discovery / by A.D. Darbishire ... with illustrations in colour and black-and-white. Source: Wellcome Collection.

    192/370 page 120
    120 BREEDING consideration. It may be expressed in general terms in the following scheme :— The three categories are written in this order, 3:9:4, instead of 9:3:4 for a reason which will shortly appear. The manner in which the two cases w^hich we have considered fit into this scheme is as follows :— [Parents] [First Hybrid Generation] [Second Hybrid Generation] Pale form x Colourless form 3 Pale form 9 Dark form 4 Colourless form Dark form [Parents] ' [First Hybrid Gen.] [Second Hybrid Gen.],j Seed-coat Colour Grey X White Grey with purple spots 3 Grey 9 Grey with purple spots 4 White [Parents] [First Hybrid Gen.] [Second Hybrid Gen.] Flower Colour Pink X White Purple 3 Pink 9 Purple 4 White It will also be apparent, on reñection, that the phenomena of the inheritance of colour observed in the mice fits into the same scheme :—
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