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Biology paper 2
Inheritance
meiosis and fertilisation
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Cards (10)
Where does meiosis take place in humans?
In
reproductive organs
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What are the male and female reproductive organs in humans?
Testes
and
ovaries
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What happens to the chromosomes in the first stage of meiosis?
All
chromosomes
are
copied
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How many gametes are produced from one original cell in meiosis?
Four
gametes
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What is true about the genetic makeup of the gametes produced by meiosis?
They are
genetically
different from each other
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What do scientists call the joining of male and female gametes?
Fertilization
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What happens to the number of chromosomes after fertilization?
The
full
number of
chromosomes
is
restored
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How many chromosome pairs does a fertilized egg contain?
23
chromosome pairs
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What process occurs after fertilization?
The new cell divides by
mitosis
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What is formed as the embryo develops?
Different
cell types
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