Auburn BIOL 1020 Exam 3- Dr. Bowling Questions and Correct Answers Updated.

Central Dogma of Molecular Biology - Answer DNA → RNA → protein Gene - Answer unit of heredity; controls a trait that determines a phenotype Phenotype - Answer appearance or characteristic of a gene in an organism Genotype - Answer genetic makeup of an organism, determines phenotype Locus - Answer the location of a particular gene on a chromosome Hardy-Weinburg Equation - Answer p^2 + 2pq + q^2 = 1 Indicator - Answer Promoter - Answer where RNA polymerase first associates with DNA so that transcription can begin. located upstream of the transcribed region Pedigree - Answer a chart summarizing phenotypes and/or genotypes within a family over several generations. works only when a single locus controls the phenotypic trait Hypercholesterolemia is a ___ genetic disorder. - Answer autosomal dominant Homozygous - Answer the homologous chromosomes have the same allele at the locus in question; the trait from that allele will be expressed Heterozygous - Answer the homologous chromosomes have different alleles at the locus; if there is a dominant allele the trait of the dominant allele will be expressed Gene Interactions - Answer two or more genes interact to produce a novel phenotype Codominance - Answer the heterozygote expresses characteristics of both alleles; very much like incomplete dominance (spotted cat)