BIOL3190 Lecture Notes - Lecture 1: Cell Migration, Prodrome, Blastula
Document Summary
Ask the organism to tell which genes are required for a given trait. Dna mutation must yield a different phenotype. Gene proposed function proposed pathway genotype phenotype. Makes no assumption/imposes no requirement regarding the function of a gene or dna sequence. No phenotypic info regarding function is given. Easy to grow, short generation time, abundant progeny, readily mutagenized, many strains. Recessive lethal mutations can be maintained in heterozygous strains. Yeast: replica plating allows screening of teh same set of mutagenized strains under selective conditions. Chronic hunger affects 1 in 7 people. Current agricultural yield is 50% less than realistically possible. Farmland makes up 38% of earth"s surface. Use less water intensive crops like cotton/sugar cane. Engineered by inserting or deleting dna and cross-breeding--disease resistant. Gm product labeling gives consumers a choice. Utilize rnai to block viral replication in animals. Gm food distribution is not even--developing countries may be last to receive these products.
