By Jaroslav Flegr, Pavel Rut

ISBN-10: 8086561739

ISBN-13: 9788086561738

Книга Frozen Evolution: Or, that is not how it is, Mr. Darwin - Farewell to... Frozen Evolution: Or, that isn't how it is, Mr. Darwin - Farewell to egocentric geneКниги Биология Автор: Jaroslav Flegr Год издания: 2008 Формат: pdf Издат.:BookSurge Publishing Страниц: 226 Размер: 4,3 ISBN: 8086561739 Язык: Английский0 (голосов: zero) Оценка:The outdated Darwinian version of evolution was once lately substituted with the egocentric gene concept. the current booklet means that this mainstream thought is simply as inaccurate as Darwin's unique version and we will be able to quickly anticipate one other revolution. It indicates exchanging the egocentric gene version via a conception known as "frozen evolution". the hot thought assumes that nearly all of species encountered in nature aren't able to conform even if uncovered to tremendous powerful choice and therefore basically passively wait until eventually adjustments of their surroundings collect to one of these measure that they have got no selection yet to quietly die out. Why is that this real and the place do the hot species come from? How is it attainable that species are usefully tailored to their surroundings and the way can evolution happen in any respect in such an evolutionarily frozen global? This ebook bargains a solution to those questions and, while, additionally a frank and just a little strange perception into backstage of up to date technology.

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E. where germ cells are logical fitness. Of course, some mutations behave difformed from somatic cells, acquired properties can be ferently. For example, some organisms can apparently inherited; however, it is not clear to what degree this mutate (multiply) genes whose products are lacking in ability can affect biological evolution. g. enzymes inhibited by a chemotherapeutidiscussed in greater detail in Chapter 14. However, the cal substance). If protozoa of the Leishmania genus are possibility of inheriting acquired properties does not exposed to the action of methotrexate, a chemotheramean (as many people erroneously conclude) that peutical inhibiting the important enzyme dihydrofolate Lamarckian evolution could function in nature.

G. in plants and animals), these cells remain together, are mutually differentiated and specialize in various tasks, until they finally form the body of the organism. In this body, haploid sex cells are again formed by meiosis, with half the number of chromosomes, and the entire cycle is thus closed. 1 on p. 59). 4 BECAME NORMAL SCIENCE AND WHAT THE “N EW S YNTHESIS ” WAS 41 Genetic recombination and segregation These are processes that occur during the formation of sex cells. e. homologous, chromosomes in the nucleus forms doublets and mutually recombine.

The upper part of the figure depicts the result of crossing two parent plants (denoted in genetics by letter P), red (black in our figure), carrying two alleles for red flowers, and white, carrying two alleles for white flowers (the alleles are denoted by dark and light circles). The crossing results in plants of the first filial generation (denoted F1), which have one of each of the alleles and are thus all genetically identical and have the same appearance (grey in our figure, in actual fact pink).

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Frozen Evolution: Or, that's not the way it is, Mr. Darwin - Farewell to by Jaroslav Flegr, Pavel Rut


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