BIO120H1 Lecture Notes - Lecture 4: Blending Inheritance, Mendelian Inheritance, Meiosis

• School: UTSG
• Department: Biology
• Course: BIO120H1
• Professor: Spencer Barrett

Document Summary

Recombination & independent assortment: during metaphase i. Discover jumping genes the reinsertion of genes. Point mutation: the change of one base. Changes in repeat number: multiplication of a set of genes. Chromosomal rearrangements: rearrange one set of genes. Laws of inheritance: do not conform to the prediction of blending inheritance but genes are classified as dominant and recessive. When two pure-breeding lines crossed, the first generation will give only one phenotype and genotype. While for the second generation produced by selfing of the first generation, phenotypic ratio is given by 3:1 and genotype ratio of 1:2:1. Genes) diseases that are control by major genes are easier to be targeted and cure by medication. Continuous: control by many genes that are scattered across the genome (e. g. height)