Reverse genetics

Definition

Reverse genetics is a method used to understand gene function by analyzing the phenotypic effects of specific gene sequences after they have been disrupted or altered. It is the opposite of forward genetics, which starts with a phenotype to find the gene responsible.

5 Must Know Facts For Your Next Test

1. Reverse genetics involves manipulating a known gene to observe changes in phenotype.
2. Techniques used in reverse genetics include gene knockout, RNA interference (RNAi), and CRISPR-Cas9 genome editing.
3. This approach helps identify the role of genes in various biological processes and diseases.
4. Reverse genetics is crucial in developing new pharmaceutical therapies by targeting specific genes involved in disease pathways.
5. It has been widely applied in microbial genetics to study pathogenic mechanisms and develop vaccines.

Related terms

Forward Genetics: A method that starts with identifying a phenotype and then finding the corresponding gene.

Gene Knockout: A genetic technique where an organism's gene is made inoperative to study its function.

CRISPR-Cas9:

A genome editing tool that allows for precise alterations to DNA sequences within organisms.