How to understand pedigree charts

Pedigree Chart that shows the presence or absence of a trait within a family across generations Genotype The genetic makeup of an organism (ex: TT) Phenotype The physical characteristics of an organism (ex: tall) Dominant allele Allele that is phenotypically expressed over another allele Recessive allele Allele that is only expressed in absence of a dominant allele Autosomal trait Trait that is located on an autosome (non-sex chromosome) Sex-linked trait Trait that is located on one of the two sex chromosomes Homozygous Having two identical alleles for a particular gene Heterozygous Having two different alleles for a particular gene #pedigree #genotype #phenotype #DominantAllele #RecessiveAllel #AutosomalTrai #SexlinkedTrait #homozygous #Heterozygous #PedigreeAnalysis #pedigreeAnalysisPractice #pedigreeAnalysisGenetics #pedigreeAnalysisProbability #pedigreeAnalysisAnswers #pedigreeCharts #Genetics #HowToSolvePedigreeProblems #solvePedigreeProblems #solvingPedigreeProblems #pedigreeProblemsAndSolutions #howToAnalyzePedigree #analyzingPedigree #geneticsProblems