Everything in the world is unique, absolutely nothing is exactly the same. All except identical twins who are genetically, well... identical. Some of the differences between us are easy to spot like hair colour but others, like a person's blood group, are rather less obvious.
There are two types of variation: genetic and environmental:
Genetic Variation (or inherited variation): This means that the varied characteristic comes from our genes. We inherit genes from our parents - a combination from both our mother and our father. Genetic Variation is fixed and could not be changed up until recently when we invented genetic modification.
e.g. blood group, eye colour, normal hair colour.
Environmental Variation: This us to do with our upbringing usually or the environment around us. For example some people are kind because their parents brought them up to be, whereas others are not because their parents were not. Dyed hair colour and hair length are also part of environmental variation. This can be changed.
e.g. hair length, personality, intelligence.
Genetic Variation (or inherited variation): This means that the varied characteristic comes from our genes. We inherit genes from our parents - a combination from both our mother and our father. Genetic Variation is fixed and could not be changed up until recently when we invented genetic modification.
e.g. blood group, eye colour, normal hair colour.
Environmental Variation: This us to do with our upbringing usually or the environment around us. For example some people are kind because their parents brought them up to be, whereas others are not because their parents were not. Dyed hair colour and hair length are also part of environmental variation. This can be changed.
e.g. hair length, personality, intelligence.
Thank yo to anon for asking to hear about genetic variation! :)
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