01:119:115 Study Guide - Quiz Guide: Gynoecium, Stamen, Pollination
1 Dec 2017
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Inexpensive: controlled breeding, large numbers of offspring, many varieties, short generation time. Usually the anther and carpel from the same flowers interact remove anthers before pollen is produced: proven self-fertilization transfer pollen from different flower to carpel, results: in first generation. Characters used in experiments: character: a heritable feature that varies among individuals, ex. Color: trait: each variant of a character, ex. Mendel selected 7 unequal pairs of characters/varieties of peas. Applied quantitative methods: quantified results, used experimental approach. Development of true-breeding lines: true breeding: self-pollinated plants that produce the same variety of offspring generation after generation, all express same phenotype (appearance/characteristics) Hypothesis is rejected: new observation: 3/1 ratio in f2. Testing of particulate inheritance hypothesis: characters are determined by heritable factors (genes, controlled by 2 factors (genes, factor from one parent masks expression of factor from the other parent. If organism has identical alleles for particular character then all gametes have the same allele.
