Module Eight Lesson Two Pathway Three Activity
Kuvakäsikirjoitus Teksti
- Hi class! Today we're going to be learning about karyotype.
- Yay, that sounds cool!
- A karyotype is a picture of someone's actual chromosomes.
- What are they used for?
- A karyotype shows doctors abnormalities in people's chromosomes, allowing them to diagnose genetic diseases.
- What do chromosomes look like?
- On the board is a simplified picture of a chromosome. The images that doctors see is more detailed but this gives you an idea.
- Some abnormalities that can occur are missing, damaged, or additional chromosomes. Since we've studied some genetic disorders, take a look at the karyotypes on your table and try to identify the disorder
- Oooh I think I know it!
- Yea that's right! You can see at pair 21 that there is an extra chromosome, the distinguishing factor of Down Syndrome.
- I think the karyotype shows someone with Down Syndrome.
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