Inheritance is the passing of traits from parents to offspring. Our modern understanding of inheritance comes from a set of principles proposed by Austrian monk and researcher Gregor Mendel in 1865.

Introduction to Mendelian randomization, the problems with using traditional observational studies to investigate causality, and Randomized controlled trials as the gold standard for causal research.

Basic concepts in quantitative genetics, including Mendelian genetics, gene action (additive, dominant, recessive), heritability, liability threshold model, means, variances, structure of DNA, types ...