Offspring are normally similar but not __________ to parents, this is known as __________. The features that make an organism what it is, are known as its __________.
Some __________ come from its parents but others develop because of how factors affect it as grows. Those that are passed on from the parents are said to be __________.
The __________ __________ are passed on in the parents genes found in chromosomes, within nucleus of the sex cells.
Some characteristics can have any value, such as height. This is known as a continuous variable. Other characteristics can have only set values, such as earlobe attachment or eye colour. These are known as discrete variables.