acquired characteristics
acquired characteristics The characteristics that are acquired in the lifetime of an organism, according to early evolutionary theorists such as
Lamarck. Lamarck further suggested that traits acquired in one generation in response to environmental stimuli would be transmitted to the
gametes and inherited by the next generation. Thus, over several generations a particular type of organism would become better adapted to its environment. The kinds of acquisition envisaged by Lamarck and their heritability are now discredited, although there has been a recent revival of some aspects of the theory in modified form.
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acquired characteristics
Book article from: A Dictionary of Zoology
acquired characteristics Characteristics that are acquired by an organism during its lifetime. According to early evolutionary theorists (e.g. Lamarck ), traits acquired in one generation in response to environmental stimuli...
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Mutagenesis
Encyclopedia entry from: The Gale Encyclopedia of Science
...the DNA produce a new or modified protein that has enhanced or new beneficial functions such that this newly acquired characteristic has a selective survival advantage and thus will be more likely to be passed down from one generation to the...
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Genetics
Encyclopedia entry from: The Gale Encyclopedia of Science
...in DNA. The hereditary characteristics that pass from one generation...example of a hereditary characteristic that is inherited from...strongly believed that acquired characteristics would improve when routinely...Lamarck also maintained that acquired characteristics were inherited...
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genetics
Book article from: The Columbia Encyclopedia, Sixth Edition
...hybrids heterozygous for the characteristic governed by that gene...because the recessive characteristic is masked, although their...fourths show the dominant characteristic and one fourth the recessive...that great numbers of characteristics are inherited simultaneously...postulated by the theory ...
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Lamarck, Jean Baptiste Pierre Antoine de Monet, chevalier de
Book article from: A Dictionary of Plant Sciences
...may occur by the inheritance of characteristics acquired during the lifetime of the individual...arguments on the inheritance of acquired plant characteristics. It is...theory of the inheritance of acquired characteristics did not hold...
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