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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Non-Mainstream and Controversial Science
Pseudoscience Vortex
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<blockquote data-quote="FrumiousBandersnatch" data-source="post: 77128244" data-attributes="member: 241055"><p>Who are 'they'? What do you mean by 'memory' in this context?</p><p></p><p>As best we can tell, instincts are genetically coded complex automatic behaviours or predispositions as a result of evolutionary selection pressures. There are some effects of individual experience, e.g. starvation, that can 'tag' particular genes and alter their expression. These 'epigenetic' tags may be inheritable for a few generations. These could potentially alter a descendant's behavioural predispositions (e.g. influence their eating patterns), but it's only a 'memory' in the broadest sense.</p><p></p><p>People feel all kinds of things about their ancestry. IMO, what they 'feel in their blood' about their ancestors should not be taken too seriously. We are all the survivors of evolutionary selection - we all have ancestors who will have suffered unimaginable hardship and trauma - genetic evidence suggests that the human population has been through several severe bottlenecks, possibly down to as few as between 1,000 and 10,000 breeding pairs.</p></blockquote><p></p>
[QUOTE="FrumiousBandersnatch, post: 77128244, member: 241055"] Who are 'they'? What do you mean by 'memory' in this context? As best we can tell, instincts are genetically coded complex automatic behaviours or predispositions as a result of evolutionary selection pressures. There are some effects of individual experience, e.g. starvation, that can 'tag' particular genes and alter their expression. These 'epigenetic' tags may be inheritable for a few generations. These could potentially alter a descendant's behavioural predispositions (e.g. influence their eating patterns), but it's only a 'memory' in the broadest sense. People feel all kinds of things about their ancestry. IMO, what they 'feel in their blood' about their ancestors should not be taken too seriously. We are all the survivors of evolutionary selection - we all have ancestors who will have suffered unimaginable hardship and trauma - genetic evidence suggests that the human population has been through several severe bottlenecks, possibly down to as few as between 1,000 and 10,000 breeding pairs. [/QUOTE]
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