Exam 3 Study Guide
Exam 3 Study Guide Bio 107
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This 4 page Study Guide was uploaded by Rachel Johnson on Sunday November 8, 2015. The Study Guide belongs to Bio 107 at Washington State University taught by William Davis in Summer 2015. Since its upload, it has received 206 views. For similar materials see Biology in Biology at Washington State University.
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Date Created: 11/08/15
Exam 3 Study Guide Terms Centromere place where the microtubules bind to pull the chromosomes apart Sister Chromatids two copies of the same chromosome Chromatin condensed complex of DNA and protein Go Phase non dividing state Oncogenes genes that contribute to cancer when they gin function Tumor Suppressor Genes genes that contribute to cancer when they lose function Binary Fission replication by division DNA Polymerase enzyme that catalyzes DNA replication Helicase protein that unzips the DNA for replication Single Strand Binding Protein protein that keeps the DNA strands apart and prevents the cells from thinking the DNA is damaged Topoisomerase protein that relieves the tension ahead of the replication fork to prevent the DNA from breaking Primase synthesizes small pieces of RNA that s used to start DNA synthesis Homologous Chromosomes Homologues the two chromosomes in each pair Haploid cells containing half of the chromosomes Diploid cells containing all of the chromosomes Nonsister Chromatids the DNA strands from the mother and father in a homologous pair Crossing Over nonsister chromatids exchange DNA that code for the same trait Gene coding sequence in a particular region Allele particular copy variant of a gene Heterozygous two different alleles Homozygous two identical alleles Genotype alleles possessed of a particular gene Phenotype observable traits of an organism Linkage a particular combination of alleles that are inherited together due to close positioning on the chromosome Markers small pieces of genome that have specific properties Genotypic Ratio observed ratios of alleles in offspring Phenotypic Ratio observed ratios of observable traits in offspring Concepts 339 Cell Cycle and Mitosis Chromosomes Structure Before After division During division Cell Cycle Major phases Interphase 3 periods Mitotic phase 2 periods Control Checkpoints Cyclin Proteins Levels Function Mitosis Interphase Prophase Prometaphase Metaphase Anaphase Telophase Cytokinesis 339 DNA Replication Semiconservative Replication Definition Initiation Origin of replication Replication bubble Replication forks Proteins needed Elongation Synthesis direction vs reading direction Leading strand synthesis vs lagging strand synthesis Termination DNA polymerase I Ligase Error Control End of Replication Problem Preventive measure 339 Meiosis Definition Meiosis I Events Meiosis II Events Crossing Over Prophase I Importance Law of Segregation Definition Law of Independent Assortment Definition Linkage 0 v Mendelian Genetics Introduction Prior to Mendel Mendel Experiments Discoveries Mendel s First Law P generation F1 generation F2 generation Punnett square Mendel s Second Law Dihybrid cross Conclusions Exceptions Incomplete dominance Pedigree Analysis How to read one What information it can contain
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