Exploring the abominable snowman’s DNA

Last updated: 15/11/2023
Contributor: Teachit Author
Exploring the abominable snowman's DNA
Main Subject
Key stage
Category
Genetics and evolution: Genetics and evolution
Inside
Includes answers
Resource type
Complete lesson
Worksheet
Working scientifically
Development of scientific thinking

This engaging lesson resource can be used when teaching GCSE students about classification and evolutionary trees.

Based on a news article about DNA evidence for the existence of the yeti, students imagine that a university professor has found a possible DNA sequence. They then compare this sequence with the DNA sequence of bears, gorillas and humans. 

Includes detailed teaching notes with a full lesson plan, including starter, main activities, plenary and homework suggestions, and a PDF version of a news article in The Week to download.

An extract from the resource: 

Breaking news!

An Oxford University Professor recently collected samples that could prove the existence of the yeti, or abominable snowman.

She extracted some DNA from two hair samples found in two different mountainous areas where yetis are thought to live, and then worked out the DNA sequence. She found that both samples are exactly the same, so from the same species, but are they ‘yeti’?

By comparing the sequence of bases in a sample of DNA, scientist can compare the DNA of organisms. Closely-related organisms will have sequences that are similar.

Task

You will be given a short piece of DNA from five different sources: a human, gorilla, brown bear, polar bear and the mystery animal that could be a yeti. Compare the DNA sequences of each animal and:

  • State which animals are most closely related and how you know.

All reviews

There are no reviews yet. Have you used this resource?