Sentences with phrase «single environmental stresses»

Not exact matches

The only shortcoming of the article was that after stating that the global population explosion is, in the words of William Ruckelshaus, «the single most overriding cause of environmental stress in the world.»

No one is arguing that Lamarck got everything right, but over the past decade it has become increasingly clear that environmental factors, such as diet or stress, can have biological consequences that are transmitted to offspring without a single change to gene sequences taking place.

What's more, inherited diseases can arise from a problem with one gene (a simple example is sickle - cell anemia, a condition caused by defects in a single gene that makes the hemoglobin protein), or from interactions among a range of genetic variations as well as, frequently, environmental stresses.

It was once assumed that environmental factors took generations to affect a gene change, but research is now finding that a bad enough toxin or environmental stress can alter genes in a single generation.