Step 2: Identify the CodominantsNext, locate the Type AB individuals. Their genotype is always AB. These individuals are "fixed points" in your puzzle because there is no ambiguity about which alleles they carry.
Step 1: Start with the RecessivesThe easiest way to begin solving the mystery is to look for individuals with Type O blood. Because Type O is recessive, their genotype must be OO. Write this down immediately. lab activity blood type pedigree mystery answer key upd
Before diving into the pedigree, we must establish the rules of the game. Blood typing is governed by three alleles: A, B, and O. Step 2: Identify the CodominantsNext, locate the Type