Sentences with phrase «versions of single genes»

Not exact matches

To generate the models, Jackson created two mutated versions of the PrP - coding gene by changing a single codon — one of the three - nucleotide «words» in genes that code for the various amino acids in proteins.

When the researchers compared the mRNA to a library of DNA sequences taken from the dendrites of neurons by James Eberwine of the University of Pennsylvania Medical Center, they found that it came from a single gene on chromosome X — the human version of which, when mutated, leads to fragile - X syndrome.

Different versions of genes can vary at single points in their sequence, and these variations are called SNPs.

PENCIL IT IN Scientists have used two new versions of CRISPR gene editors, which rewrite DNA like pencils instead of cutting like scissors, to change single - letter typos that cause some blood disorders.