The 12th edition of Introduction to Genetic Analysis takes this cornerstone textbook to the next level. The hallmark focus on genetic analysis, quantitative problem solving, and experimentation continues in this new edition. The 12th edition also introduces SaplingPlus, the best online resource to teach students the problem solving skills they need to succeed in genetics. SaplingPlus combines Sapling's acclaimed automatically graded online homework with an extensive suite of engaging multimedia learning resources.