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Danger avoidance can be genetically encoded for four generations, say biologists

Researchers have discovered that learned behaviors can be inherited for multiple generations in C. elegans, transmitted from parent to progeny via eggs and sp | Read more...

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2 Chinese Babies With Edited Genes May Face Higher Risk Of Premature Death

Six months ago, a Chinese scientist announced that he had edited the genomes of two babies born last year. The germline edits with CRISPR-Cas9 supposedly changed the CCR5 gene to prevent HIV from invading immune cells. An analysis of records in the U.K. Biobank shows that having two copies of this mutation is associated with a 21 percent increase in | Read more...

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Boy Or Girl? It’s In The Father’s Genes

A study of hundreds of years of family trees suggests a man's genes play a role in him having sons or daughters. Men inherit a tendency to have more sons or more daughters from their parents. This means that a man with many brothers is more likely to have sons, while a man with many sisters is more likely to have | Read more...