ANTHROP 2E03 Lecture Notes - Lecture 4: Gregor Mendel, Phenotype, Chromosome
4 Feb 2018
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We get 2 important laws with him: Genotype = genetic coding for a trait. Phenotype = outward physical appearance for a trait. He noticed that seeds could be round, green, yellow. Purebred = a plant that, when pollinated using its own pollen, always produces offspring identical to its parent. Allele = a version of the genetic code contributed by each parent. Gene = a section of a chromosome that carries the genetic code for a trait. He took the hybrids and bred them with themselves. The next generation we see the original parental colours again, we see violent now and white. The expression of a trait is controlled by discrete units that occur in pairs and offspring inherit one unit from each parent. C = dominant colour allele (purple) c = recessive colour allele (white) Parent 1 = smooth (t) and green (p) Parent 2 = wrinkled (t) and yellow (p)
