GN 301- Midterm Exam Guide - Comprehensive Notes for the exam ( 71 pages long!)
Document Summary
Heredity and environment influence genetics: heredity: transfer of genes from one generation to the next, environment: social and cultural conditions. Arrange chromosomes in karyotypes, a chart that displays similar chromosomes: chromosomes have stripes, which missing pieces can make alert of mutations, each chromosome has different genes on them. Phenotype: appearance of how the trait as it shows up (physical) Genotype: forms of genes (letters that describe them: 2 copies of each gene so therefore 2 letters, alleles: the letters of the genotype. Sex chromosomes: chromosomes that are found in separate genders. Homunculus: theory that sperm implanted baby in mother (1600s: how to tell sex of a child, amniocentesis. Fluid from child sampled from amniotic membrane: chorionic callus sampling (cvs, villi removed from chorionic membrane and gen. Identical: one sperm and 1 egg join and produce two embryos: fraternal: two eggs were released and both so happened to be fertilized, what can affect the phenotype.
