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WebGenotype and phenotype. A person’s genotype is their unique sequence of DNA. More specifically, this term is used to refer to the two alleles a person has inherited for a … WebEach father and mother pass down traits to their children, who inherit combinations of their dominant or recessive alleles. But how do we know so much about genetics today? Hortensia Jiménez Díaz explains how studying pea plants revealed why you may have blue eyes. [Directed by Johan Sonestedt and Veronica Wallenberg, narrated by Rose Eveleth]. WebGCSE Biology (Single Science) Genetics learning resources for adults, children, parents and teachers. tactile literary devices