Mon Prof Augmenté
Paired Chromosomes in a Cell
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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Age 14: open this week
Browse Age 14
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.
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