Sentence examples for a stretch of DNA from inspiring English sources

The rate at which a stretch of DNA mutates is determined by the cellular systems for DNA replication and repair, and by the nucleotide sequence of the stretch itself.

A stretch of DNA that makes a protein is called a gene.

The new study narrowed down one of these to a stretch of DNA on chromosome 21 containing the Bmp6 gene.

To recap: a gene is a stretch of DNA that contains the instructions to make a protein.

That led the investigators to a stretch of DNA with 92 genes.

His recent research, published today in Cell, pinpoints a stretch of DNA that controls the size of the protective bone plates sported by marine sticklebacks.

In 1993, a collaborative research group discovered the culprit responsible for Huntington's: a stretch of DNA that repeats itself over and over again, CAGCAGCAGCAG... and so on.

In those families, a stretch of DNA on Chromosome 4 stood out; another stretch, on Chromosome 2 was also a candidate, though not as strong.

But other experts say that a stretch of DNA that is at best useless, and perhaps annoying to the little bug could disappear much more rapidly.

There are also inversions, in which a stretch of DNA has been knocked out of its chromosome and reinserted the wrong way around.

To create the new strain, the scientists attached an "on-off switch -a switch -af DNA called a stretchecific profoter because it controls activity in particular types of cells-to a molecular DNAicalledt chops out genes.