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ScienceDaily: Plants & Animals News |
| Scientists identify areas of high marine mammal diversity Posted: 04 Mar 2022 03:29 PM PST Sightings of more than 1 million marine mammals in the federally protected Northeast Canyons and Seamounts Marine National Monument and sites along the Atlantic Coast have been used to identify areas of high marine mammal diversity. These findings underscore the importance of ocean conservation as these waters face increasing impacts from human activities. |
| Researchers find 'genetic baggage' accumulates in the genomes of aging mutant animals Posted: 03 Mar 2022 11:12 AM PST You are probably familiar with the term that some people carry 'a lot of extra baggage.' Usually that term refers to that person's emotional history, but in genetics and our genomes, 'extra baggage' can also describe the transposons lurking in our genomes, a historical record of our genomes surviving traumatic invasions during evolution. Transposons are repetitive DNA sequences that have the capability to move (transpose) from one location to another in the genome (an organism's complete set of genetic instructions) and are considered important invaders of our genomes during evolution. |
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