Sentences with phrase «genes change extremely»

Nonsense, genes change extremely slowly, about a half a percent in a million years.

Not exact matches

«The alternative splicing of more than 100 genes reacts extremely sensitively to changes in temperature, so that different proteins are produced depending on the time of day and body temperature,» said Prof. Dr. Florian Heyd.

Lo was encouraged by the variants because retroviruses are extremely mutable pathogens that change their gene sequences again and again in response to immune system efforts to kill them.

Changes in DNA methylation in brain cells has been an extremely active research area since these epigenetic changes were shown to alter the expression of genes needed to form and maintain long - term meChanges in DNA methylation in brain cells has been an extremely active research area since these epigenetic changes were shown to alter the expression of genes needed to form and maintain long - term mechanges were shown to alter the expression of genes needed to form and maintain long - term memories.

But another sequence, the gene's so - called unidentified domain (UD), appears to have changed extremely rapidly in humans — about seven times faster than it did in other mammals — and shows signs of being positively selected for in evolution.

One objection is simply pragmatic: Biological systems are extremely complex, and changing human genes could have unintended and undesirable consequences.

It is extremely difficult to demonstrate that such variants are actual mutations affecting genes, as they could simply be random DNA changes that have a neutral effect.