linkedin post 2018-09-10 03:46:49

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REPAIR IS HARD. "It is is easier to create a new organism from scratch than to repair both internal factors (free radicals, metabolic by-products, ...) and external (physical damage, exposure to toxins, ...)." http://biology.stackexchange.com/questions/1495/what-evolutionary-explanations-are-there-for-death View in LinkedIn
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linkedin post 2018-09-09 04:09:42

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DIVISION REPRESSION. "The boundary zone itself expresses a specific set of transcription factors that locally repress cell division. Mutations in these regulators or their downstream targets cause organ fusion as well as alterations in organ development and phyllotactic patterning and such developmental defects can occur during embryogenesis, lateral organ formation and even leaf margin serration." https://lnkd.in/dD4GcAS View in LinkedIn
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linkedin post 2018-09-10 03:41:46

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RARE MUTATION ACCUMULATION. "Of the thousands of random changes created every day in the DNA of a human cell by heat, metabolic accidents, radiation of various sorts, and exposure to substances in the environment, only a few accumulate as mutations in the DNA sequence." https://lnkd.in/dHtn_RS View in LinkedIn
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linkedin post 2018-09-09 04:41:01

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EVODEVO PERSPECTIVE. "As gene regulatory networks and their interactions provide evolvability to the process of organismal development, understanding how networked genes and/or their interactions are selected upon to yield novel outputs is the future for evodevo, especially for researchers interested in understanding how particular adaptive traits might have evolved." https://lnkd.in/dD4GcAS View in LinkedIn
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linkedin post 2018-09-09 04:38:02

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"ADAPTATION can be defined as the heritable change in the traits of a system in order to maintain or improve fitness within novel environments. Evolvability is the propensity for a system to discover adaptations (= heritable beneficial phenotypes). Thus the ability to discover distinct heritable phenotypes and the ability to transform novel traits into useful innovations during development within a particular environment are essential elements of adaptation." https://lnkd.in/dD4GcAS View in LinkedIn
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