1. 7Db
It’s your inheritance
2 Look at the picture. Which parent has the girl inherited her hair colour from?
3 Name three features that can be inherited.
4 How much of the information needed to make a child comes from the mother?

2. 7Db
It’s your inheritance
5 Nicola’s mother has blue eyes and blond hair. Her father has brown eyes and blond hair. Both Nicola and her sister have brown eyes and blonde hair.
a) Which feature of their parents has not been passed on to either Nicola or her sister?
b) Nicola has a scar on her leg. Do you think this is an example of inherited variation? Explain your reasoning.

3. 7Db
It’s your inheritance
2 Look at the picture. Which parent has the girl inherited her hair colour from?
father
3 Name three features that can be inherited.
For example: eye colour, hair colour, height, blood group.

4. 7Db
It’s your inheritance
4 How much of the information needed to make a child comes from the mother?
50%

5. 7Db
It’s your inheritance
5 Nicola’s mother has blue eyes and blond hair. Her father has brown eyes and blond hair. Both Nicola and her sister have brown eyes and blonde hair.
a) Which feature of their parents has not been passed on to either Nicola or her sister?
mother’s blue eyes

6. 7Db
It’s your inheritance
5 b) Nicola has a scar on her leg. Do you think this is an example of inherited variation? Explain your reasoning.
No, you cannot inherit a scar.