genome contains fossil viruses

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Categories: Comparisons

An example of metaphor and simile in popular science writing

"The genome is the stuff of B movies, like a graveyard filled with ghosts. Bits and pieces of ancient viral fragments lie everywhere-by some estimates, 8 percent of our genome is composed of dead viruses, more that a hundred thousand of them at last count. Some of these fossil viruses have kept a function, to make proteins useful in pregnancy, memory, and countless other activities discovered in the past five years. Others sit like corpses where they attached to the genome only to be extinguished and decay."

Neil Shubin

Shubin, N. (2020). Some Assembly Required. Decoding four billion years of life, from ancient fossils to DNA. Oneworld Publications.

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Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.