mendelian genetics

• GENETICS is the study of how heredity works and, in particular, of genes.
• GENE is a section of a long deoxyribonucleic acid (DNA) molecule, and it carries information for the

  construction of a protein or part of a protein.
• ALLELES are members of a gene pair.
• GENOTYPE – The genetic composition of a cell or individual.
• PHENOTYPE – the expression or manifestation of the genotype