Genetics
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Discover Sensors Formative Assessment Question
Question 1
a) Genetics can be used to explain inheritable and non inheritable characteristics in
humans. The environment also plays a role in the expression of characteristics.
Study the pictures below. For each picture state if the human characteristic shown
is inheritable or non-inheritable by ticking the box. Give a reason for your choice in
each case.
Having blue eyes
Answer:
inheritable
non-inheritable
inheritable
non-inheritable
inheritable
non-inheritable
Reason:
Good at playing tennis
Answer:
Reason:
Having fair hair
Answer:
Reason:
Able to drive a car
Answer:
inheritable
non-inheritable
Reason:
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Discover Sensors Formative Assessment Question
Being very tall
Answer:
inheritable
non-inheritable
Reason:
b) The diagram represents the
chromosomes in a human cell.
Where in the cell would you
find these chromosomes?
How many chromosomes are in a
human skin cell?
How many chromosomes are usually in a human sperm cell?
How many chromosomes are usually in a human egg cell?
Inheritable characteristics are controlled by genes. Show, using an arrow in the
diagram above, where would you find these genes?
How many genes for eye colour does a person have?
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Discover Sensors Formative Assessment Question
Question 2
a) Consider the family below.
Father has brown eyes and mother has blue eyes. Their son and daughter both have
brown eyes.
Explain how both children could have brown eyes?
The father is a good rugby player. The son does not like to play rugby but loves
playing music. Explain why this might be so.
The mother changed her hair colour from brown to blonde using dye. What effect
could this have on the genes present for hair colour?
Would this increase the chances of her daughter having blonde hair?
Explain your answer:
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Discover Sensors Formative Assessment Question
If the man and woman lived near the Chernobyl
nuclear explosion, how might any children born after
the explosion be affected?
b) Genetically modified plants are produced when genes from another organism are
added to a plant to make it grow or behave in a different way.
Suggest one benefit of genetically modified plants.
Suggest one way that genetically modified plants may not benefit humans.
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Discover Sensors Formative Assessment Question
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