At least 197 children were fathered by sperm donor with cancer-causing gene. Some have already died.

(CNN) — A sperm donor with a rare genetic mutation linked to an increased risk of developing cancer fathered at least 197 children across Europe, some of whom have already died from the disease, according to a new investigation. The donor, who is himself healthy, had a rare mutation in a gene named TP53, which […]
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