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Cornelia Barrett on Muck Rack

Cornelia Barrett

As seen in: BioRxiv
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Articles

Multiple pathways to the evolution of positive assortment in aggregative multicellularity

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By Kayla S. Stoy, Kathryn MacGillivray, Anthony Burnetti, Cornelia Barrett
| BioRxiv
Abstract The evolutionary transition to multicellularity requires shifting the primary unit of selection from cells to multicellular collectives. How this occurs in aggregative organisms remains poorly understood. Clonal development provides a direct path to multicellular adaptation through genetic identity between cells, but aggregative organisms face a constraint: selection on collective-level traits cannot drive adaptation without positive genetic assortment.
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