linkedin post 2016-12-31 06:21:12

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ALTERNATIVE OPTIONS. "Instead, the unicellular bottleneck may have evolved in the absence of genetic conflict for other reasons, creating a multicellular body plan largely immune to future intercellular conflicts as a side-effect. This key trait may therefore catalyse the evolution of multicellular complexity, facilitating the origin and expansion of cellular division of labour." https://lnkd.in/dU8HRX5 View in LinkedIn
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linkedin post 2016-12-31 06:18:35

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EVIDENCE LACKING. "Although there is little doubt that a unicellular bottleneck serves the present function of preventing among-cell conflicts in large multicellular organisms, there is no direct evidence that it originally arose as an adaptation for this function." https://lnkd.in/dU8HRX5 View in LinkedIn
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linkedin post 2016-12-31 06:14:58

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SINGLE CELL BOTTLENECK. "The ubiquity and persistence of the unicellular bottleneck has been attributed to the fact that it purges within-group genetic variation, eliminating the potential for among-cell evolutionary conflicts that might otherwise erode multicellular complexity." https://lnkd.in/dU8HRX5 View in LinkedIn
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linkedin post 2016-12-31 06:06:14

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COUPLING. "A hallmark feature of complex multicellularity is a two-stage life cycle in which multicellular individuals develop from a single cell. While this process is often coupled with sexual reproduction, mitotically produced unicellular propagules are also widespread (for example, in multicellular red, green, and brown algae and parthenogenetic animals)." https://lnkd.in/dU8HRX5 View in LinkedIn
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linkedin post 2016-12-31 06:03:27

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LOST ROADMAP OF TRANSITION. "Most origins of multicellularity are ancient and transitional forms have been lost to extinction, so little is known about the potential for multicellularity to evolve from unicellular lineages, or the route through which a multicellular life history arises." https://lnkd.in/dU8HRX5 View in LinkedIn
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linkedin post 2017-01-01 09:06:34

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"A HEXAGONAL PLATE is the beginning of every snowflake, as it grows the water available becomes less able to fill all the space and so branches and tendrils appear always on a six fold pattern which are what we recognise as traditional looking snowflakes." http://thesmarthappyproject.com/hexagon-geometry-snowflake/ View in LinkedIn
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