DNA Extraction from Bananas

DNA Extraction Overview

• DNA is commonly extracted from various sources, including:

  • Mouth swabs

  • Blood samples

  • Hair samples

  • Plant tissues

Initial Steps in DNA Analysis

• Before analysis can be performed, DNA must be isolated from the sample.

• This involves removing the DNA from its original source material.

Key Factors in Genetic Extraction

• The type of chemicals used plays a crucial role in isolating DNA.

Importance of Alcohol in DNA Extraction

• Alcohol is an essential ingredient for:

  • Precipitating DNA

  • Storing DNA

  • Washing DNA

• When alcohol is mixed with salt, DNA precipitates into a visible, solid form.