An ideal way to introduce students to the basic concepts of genetics. This set explores the relationship between genotype and phenotype in a colourful, fun way, where students learn how the alleles in their ';gene pack' affect they way the characters look. Topics covered include dominant and recessive alleles, co-dominance, gametes, and zygosity. Four characteristics have been included:. Hair type. Eye colour. Earlobe type. Haemoglobin type (normal or sickle cell.). Pack comprises of:. Character cards. Gene cards (for each characteristic). Gamete sheet. Teacher's Notes including example crosses, and student worksheet master copy. Includes materials sufficient for up to 32 gene packs.