the characteristics of an organism, such as its height, shape, blood group or sex are known as its phenotype
differences in pheneotype amond a species are caused by differences in:
- genetic make-up or gentype
- the enviroment in which the organism develops
some characteristsics for example the organisms blood group are only affected by its gentype and the enviroment has little or no affect. such characteristsics are controlled by genes at a single locus and show discontiuous variation.
characteristsics that are affectted
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