A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes. gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes.
What/Why: The week of April 11-17 is DC Spa Week. Spas throughout Washington are offering $50 deals on massage, facials, manicure/pedicures, waxing, acupuncture, and other services. You can put your zip code into the Spa Week web site for a list of spas and $50 deals. 1.
By Jason Samenow By Jason Samenow August 9, 2016. Rising temperatures and humidity will make this week very muggy, with an increased risk of rain as the week goes on. (Jason Samenow/The Washington Post) Increasingly over the next several days, a deep plume of tropical moisture will stream toward the D.C. area.