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Paired Chromosomes in a Cell
Age 14 · Science
Inside the nucleus, chromosomes come in matching pairs. One chromosome in each pair comes from the mother, and the other comes from the father.
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In the picture
- Badge 1 marks the blue-striped chromosome in the first pair.
- Badge 2 marks the red-striped chromosome beside it in the same pair.
- Badge 3 marks the blue-striped chromosome in the second pair.
- Badge 4 marks the twisted ladder shape of DNA.
Examples
- Eye colour: a child may inherit one version of a gene from each parent.
- Blood type: the two chromosomes in a pair can carry different versions that combine.
Key takeaways
- Chromosomes are found in pairs inside the nucleus.
- One chromosome of each pair is inherited from each parent.
Quiz: Paired Chromosomes in a Cell (Age 14)
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What is true about the two chromosomes in a matching pair?
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What do the chromosomes in a matching pair carry?
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Why does a body cell have chromosomes in pairs?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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