This document provides an introduction to Mendelian genetics and probability concepts. It discusses three laws of genetics from Gregor Mendel's experiments: 1) the law of segregation which states that alleles separate during gamete formation, 2) the law of independent assortment which states that different genes randomly sort their alleles during gamete formation, and 3) the law of dominance which states that heterozygous individuals express the dominant phenotype. It also defines probability as the chance of a particular outcome occurring and discusses how random sampling error can cause deviations from predicted probabilities with small sample sizes but larger samples are more likely to match expected probabilities. An upcoming laboratory exercise will have students conduct experiments with cards, coins, and dice to examine the influence