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biology paper 1
cell biology
Chromosomes
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Vlad
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Cards (12)
What does the
nucleus
contain?
Genetic
material
for
growth
and
development
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In what form is genetic material stored in the nucleus?
Chromosomes
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How many
copies
of each
chromosome
do humans have?
Two
copies
of each chromosome
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How many pairs of chromosomes do humans have?
23
pairs
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What are chromosomes made of?
DNA
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What do genes control?
Our
characteristics
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Give an example of characteristics controlled by genes.
Hair colour
and
eye colour
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Where are chromosomes found in a cell?
In the
nucleus
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What molecule are chromosomes made up of?
DNA
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What are genes?
Short
sections
of
DNA
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Why do we need different genes?
To control different
characteristics
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Why is it important for chromosomes to separate individually in mitosis?
To ensure each
daughter cell
gets the
correct number
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