MBG 2040 Lecture Notes - Peruvian Hairless Dog, Canadian Eskimo Dog, Hairless Dog
3 Dec 2013
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Document Summary
Natural variation exists among any species of plants or animals. Humans have selectively bred animals and plants to perpetuate desirable phenotypes: there are numerous true-breeding or purebred varieties/breeds of animals and plants, grapes were cultivated by 4000 bc in the area around the. Very recently we decided that grapes were good for eating as well as wine: in 5000 bc olives were cultivated in the mediterranean. Very recently they were produced to be consumed instead of just for olive oils. Hundreds of apple varieties exist: e. g. Pomme gris developed in 1803: mcintosh variety discovered ~1811 in dundas country, Ontario: only a small amount of varieties are commercially important, mcintosh 62% Selective breeding of mustard species has produced economically important crops. A specific phenotype is associated with a specific breed or variety. Canadian horse considered at risk -more than 6000. Swine breeds show a range of phenotypes. Lacombe pig-developed in 1950s by agriculture canada in.
