In­her­ited risk

Down to Earth - - SCIENCE -

ARE PAR­ENTS or even grand­par­ents re­spon­si­ble for pass­ing on diseases such as diabetes or even heart diseases to their off­spring? Re­searchers have now dis­cov­ered that pro­teins known as hi­s­tones may play a cru­cial role in the process. They say there is some­thing apart from DNA which de­ter­mines whether a fa­ther's chil­dren and grand­chil­dren will be healthy or not. Hi­s­tones are dis­tinct from our DNA, though they com­bine with it dur­ing cell for­ma­tion, act­ing a bit like a spool around which the DNA winds. Science, Oc­to­ber 8

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