A diagram of the genetic relationships and medical history of a family, which uses standard symbols to represent affected and unaffected males and females.
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Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
Researchers studying thousands of human traits have concluded that, overall, they are influenced equally by genetic and environmental factors...
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BioNews, published by the Progress Educational Trust (PET), provides news and comment on genetics, assisted conception, embryo/stem cell research and related areas.