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Hereditary variation generally results from the action of biological genome reproduction and repair functions. These range from simple-nucleotide polymorphisms to genome-wide chromosome rearrangements. The molecular details of representative genome change operations reveal cellular informatic links between genome damage and repair functions that generate genome novelty. However, there is no evidence of whether there are adaptively useful informatic links at the whole-organism level to genome change systems. Genetic change by interspecific hybridization is proposed as an experimental proxy for evolutionary variation. Performed under systematically varied growth and mating conditions, hybrid speciation may indicate whether there are any external triggers for particular kinds of genome variation.

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A Brief Look at the Biological Theory of Evolution: What Determines How Life Changes Itself?

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  • 发表日期：

    2026年

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  • James A. Shapiro

摘要

Hereditary variation generally results from the action of biological genome reproduction and repair functions. These range from simple-nucleotide polymorphisms to genome-wide chromosome rearrangements. The molecular details of representative genome change operations reveal cellular informatic links between genome damage and repair functions that generate genome novelty. However, there is no evidence of whether there are adaptively useful informatic links at the whole-organism level to genome change systems. Genetic change by interspecific hybridization is proposed as an experimental proxy for evolutionary variation. Performed under systematically varied growth and mating conditions, hybrid speciation may indicate whether there are any external triggers for particular kinds of genome variation.