The Collaborative Cross (CC) is a mouse genetic reference population whose range of applications includes quantitative trait loci (QTL) mapping. The design of a CC QTL mapping study involves multiple decisions. including which and how many strains to use. and how many replicates per strain to phenotype. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/western-barrel-saddle-youth/