Biology chapter 1 classification: DNA can be extracted from the webs of spiders. This DNA can be used to identify the species of spider that made the web, and the species of prey caught in the web.
Explain how DNA extracted from spider webs can be used to identify different species.

Question

DNA can be extracted from the webs of spiders. This DNA can be used to identify the species of spider that made the web, and the species of prey caught in the web. 
Explain how DNA extracted from spider webs can be used to identify different species.

Sueanne · Accepted Answer

Each species has unique DNA/ genes
If a match with DNA from known species then DNA from closely related species have fewer differences in their base sequences.

Biology chapter 1 classification

DNA can be extracted from the webs of spiders. This DNA can be used to identify the species of spider that made the web, and the species of prey caught in the web. Explain how DNA extracted from spider webs can be used to identify different species.

Each species has unique DNA/ genes If a match with DNA from known species then DNA from closely related species have fewer differences in their base sequences.

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