EASY
MYP:1-3
IMPORTANT
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The tobacco plant has 48 chromosomes in each of its leaf cells. How many chromosomes does it have in each of its root cells?

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Important Questions on Genes

EASY
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 3
The tobacco plant has 48 chromosomes in each of its leaf cells. The male gametes of a tobacco plant are inside its pollen grains.  How many chromosomes are there in the male gamete of a tobacco plant?
MEDIUM
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 4
Some chemicals in cigarette smoke react with the bases in DNA. Errors are then made when the DNA is copied, so DNA is produced with an altered base sequence. What is a likely consequence of this?
EASY
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 5
On chromosomes 17 in humans there is a gene called BRCA1, which helps to prevent breast cancer. How many copies of this gene are there in men's body cells?
HARD
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 6
Design a procedure for testing the hypothesis that smoking causes visible changes to our skin.
MEDIUM
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 7

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The Netherlands Twin Register(NTR) collects data on physical and mental health, lifestyle and personality. Surveys in 1993-1995 and 2009-2010 recorded how many young adult twins had been cigarette smokers or had never smoked.

Complete the table by calculating the percentage who had smoked.

Display the data in a graph or chart. Only display the numbers that you think are significant and choose a format that you considered most suitable.

 

EASY
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 9

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What changes in smoking behaviour took place in the Netherlands between 1993-1995 and 2009-2010?

MEDIUM
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 9

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There is a drop-off smoker in between the years 2009-2010. Is this change likely to be a consequence of a change in genes or the environment? Explain your answer.

MEDIUM
MYP:1-3
IMPORTANT
MYP Life Sciences A concept based approach Years 1-3>Chapter 1 - Genes>Summative assessment>Q 9

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How could the data collected by NTR (The Netherlands Twin Register) be used to investigate whether gene influence smoking behaviour?