Abg 401 Heritable and Non-heritable Traits
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GM Food Animals Coming
Heritable vs non-heritable modifications The Codex Alimentarius Commission of the United Nations is preparing guidelines for safety assessment of foods derived from recombinant-DNA animals [1], which is a sure sign that GM animal food is coming to our table. Codex distinguishes between heritable and non-heritable genetic modification of food animals. Heritable genetic modification involves gene...
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OBJECTIVES Lumbar disc degeneration (LDD) is prevalent, age-related and contributes to low back pain. Cross-sectional LDD as determined by MRI scan is known to be highly heritable. The authors postulated that the rate of progression might also be controlled by genetic factors. METHODS A 10-year follow-up of MRI-determined LDD was performed in 234 pairs of twin volunteers in the UK and Austral...
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A viable evolutionary cognitive psychology requires that specific cognitive capacities be (a) heritable and (b) ‘quasi-independent’ from other heritable traits. They must be heritable because there can be no selection for traits that are not. They must be quasi-independent from other heritable traits, since adaptive variations in a specific cognitive capacity could have no distinctive consequen...
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The paradoxical persistence of heritable variation for fitness-related traits is an evolutionary conundrum that remains a preeminent problem in evolutionary biology. Here we describe a simple mechanism in which social competition results in the evolutionary maintenance of heritable variation for fitness related traits. We demonstrate this mechanism using a genetic model with two primary assumpt...
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While constructed preferences have received a great deal of attention, there has been virtually no research regarding the genetic basis of consumer judgment and choice. In this research, we examine a wide range of previously unexplored heritable effects on consumer choices and judgments. Moreover, whereas prior research on heritable traits has typically employed a piecemeal approach, demonstrat...
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