Question

What are marker genes used for?

Answer 1

Marker genes

1. A marker gene is a DNA sequence that is very similar to the target gene and has all of the inherited characteristics
2. The marker gene is DNA that is closer to a gene and is used to structurally find the target gene
3. The identification of the gene responsible for an inherited disease can be aided by genetic markers.
4. DNA segments that are close together on a chromosome are more likely to be inherited jointly.