Sentences with phrase «actual sequence of a gene»
Not exact matches
These changes, known as epigenetic modifications, control the activity of our genes without changing the actual DNA sequence.
https://www.sciencedaily.com/
«Finding the beginning of the active portion also enables us to identify the «promoter», that is, the DNA sequence that precedes the actual gene.»
Fortunately only about 3 percent of that is actual genetic information that gets translated into proteins; the rest is regulatory sequences, old, nonfunctioning genes, or outright nonsense.
These sequences in our DNA are often situated far away from the actual genes they regulate, in comparison to so called promoter regions, which traditionally have been considered to control most of the gene activity.
The presence of such sequences could provide organisms with a way to modify their gene expression without altering the actual coding sequence of genes.
Given that a full sequencing generally currently costs $ 10,000, and gene tests can be patented, most genetic tests are currently limited to a small assortment of interesting genes, which may or may not be actual health indicators.