Final dates! Join the tutor2u subject teams in London for a day of exam technique and revision at the cinema. Learn more

Topics

Genotype

The genotype is a person's unique genetic make-up that is coded in their chromosomes and fixed at conception. However, the expression of a genotype is influenced by environmental factors and becomes a person’s phenotype.

© 2002-2024 Tutor2u Limited. Company Reg no: 04489574. VAT reg no 816865400.