ARCH 131 Lecture 3: Week 3 9242018
22 Dec 2018
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Monohybrid: crossing 2 plants that differ in only one characteristic. Dihybrid: crosses when the 2 parent organisms differ in 2 characteristics (e. x. Offspring inherit one discrete particle for a trait of each parent. Theses particles maintain their unique integrity from gen to gen. ii. Some traits are more dominant than others iii. Diff traits are not inherited as packages, they pass from gen to gen as independent units. Problem with the mendel principle: he lucked out during his testing, he selected traits tat are not only influenced by single genes in plant chromosomes. Some of his results contradict his theory of independent assortment; some didn"t seem to link at all. Dna has to be able to do 3 things: a. b. c. Replace itself to pass down to next generation.
