BIO152H5 Study Guide - Final Guide: F1 Hybrid, Gynoecium, Heredity

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26 May 2016
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Bio 152 fall 2014 final exam study guide: chapter 14. Chapter 14: mendel: explain how mendel used the scientific approach to identify two laws of inheritance. Mendel discovered basic principles of heredity by breeding garden peas in carefully planned experiments. Experimental and quantitative approach: advantages of pea plants for genetic study: Many varieties with distinct heritable features, or characters (such as colour) F1 generation: when f1 individuals self or cross pollinate with other f1 hybrids, f2 generation forms. Developed a hypothesis to explain 3:1 inheritance pattern he observed. Four related concepts make it which can be related to what we know now about genes and chromosomes: i. Alternate version of genes account for variations in inherited characters ii. iii. iv. (ex. Gene for flower color exists in two versions, one for purple and white) These are now called alleles and reside on a specific locus on a specific chromosome.