This Week in Science

In this week's issue of Science, Miyuki Sato and Ken Sato from Gunma University in Japan report that autophagy is necessary for the removal of the paternal mitochondria genome in C. elegans. "Autophagosomes engulf paternal mitochondria, resulting in their lysosomal degradation during early embryogenesis," Sato and Sato write, adding that that gives rise to the maternal inheritance of mitochondria.

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A phylogenetic analysis indicates two venomous Australian spiders are more closely related than thought, the International Business Times reports.

Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.

In Science this week: CRISPR-based approach for recording cellular events, and more.

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