Related topics: genome

Effect of small polyanions on retroviruses

A retrovirus is a virus that inserts a copy of its genome into the DNA of a host cell that it invades, thus changing that cell's genome. Once inside the host cell's cytoplasm, the virus uses its reverse transcriptase enzyme ...

Prehistoric humans rarely mated with their cousins

Today, more than 10 percent of all global marriages occur among first or second cousins. While cousin-marriages are common practice in some societies, unions between close relatives are discouraged in others. In a new study, ...

How genetic islands form among marine molluscs

Usually, the individuals of a population of marine species that have the potential to disperse over long distances all share a similar genetic composition. Yet every now and then, at small, localized sites, small groups of ...

Biodiversity needs better data archiving

Missing metadata—data that provide information about other data—might not sound like a big deal, but it's a costly problem that's hindering humanity's plans to protect the planet's biodiversity. An international team ...

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