1
Q
Where are chromosomes located in a cell?
A
Nucleus
2
Q
What do genes make?
A
Characteristics
3
Q
Give two functions of proteins
A
Functional
Structural
4
Q
Other thank genes, what other factor can cause variation?
A
Environment
5
Q
Why are identical twins a useful example of how environment affects a person’s characteristics
A
They may have the same eyes but one can have scars or different hair colour
6
Q
Name a characteristic caused by a number of genes working together
A
Eye colour
7
Q
What does the nucleus in a cell do?
A
Contains genetic material which controls activities of the cell
Science B1
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