A gene is an instruction/code for making a certain protein
Having different versions of proteins means we end up with different characteristics.
TWO TYPES OF PROTEINS: -STRUCTURAL e.g: skin, hair, blood and cytoplasm.
-FUNCTIONAL e.g Enzymes such as amylase and pro-tease.
GENOTYPE – The genes an organism has.
PHENOTYPE – The characteristic/feature displayed by the organism
Some features are controlled by genes only – Eye colour. Some features are controlled by environmental factors only – Scars. Some…