Get In the Light of Evolution IV: The Human Condition PDF

By National Academy of Sciences, Francisco J. Ayala, John C. Avise

ISBN-10: 0309156572

ISBN-13: 9780309156578

The Human Condition is a set of papers via best evolutionary biologists and philosophers of technology that ponder the Darwinian Revolution because it pertains to the human situation at degrees starting from the molecular to the theological. The ebook makes a speciality of realizing the evolutionary foundation of people and their organic and cultural features. The Human Condition is equipped into 3 components: Human Phylogenetic background and the Paleontological checklist; constitution and serve as of the Human Genome; and Cultural Evolution and the distinctiveness of Being Human.

This fourth quantity from the within the gentle of Evolution (ILE) sequence, in response to a chain of Arthur M. Sackler colloquia, was once designed to advertise the evolutionary sciences. each one quantity explores evolutionary views on a selected organic subject that's scientifically fascinating but additionally has detailed relevance to modern societal concerns or demanding situations. separately and jointly, the ILE sequence translates phenomena in a variety of parts of biology during the lens of evolution, addresses the most intellectually enticing in addition to pragmatically vital societal problems with our occasions, and fosters a better appreciation of evolutionary biology as a consolidating starting place for the existence sciences.

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Extra info for In the Light of Evolution IV: The Human Condition

Sample text

Dicoccum wheats is determined by more than one major gene (Miller 1992). Wild and cultivated forms also differ in kernel morphology (Van Zeist 1976). In the cultivars, the grain is wider, thicker, and rounder in cross-section than in T. dicoccoides (Fig. 1). This trait can distinguish the wild type from the cultivars and at archaeological sites helps to determine the start of domestication (Zohary and Hopf 1993). Likewise, important unique chromosomal translocations (Kawahara et al. 1993; Nishikawa et al.

Right c and f discriminate between populations growing on three soil types: 1 terra rossa. 2 rendzina, and 3 basalt, ,.. group centroid. , between neighbors), starting from the first distant group in the transect. Migration is expected to cause similarity between loci and alleles. This prediction is not realized in our results. By contrast, loci and alleles of wild emmer differ drastically in their autocorrelation pattern between loci. In addition, positive auto correlations emerge at intermediate and distant groups, thus negating migration as an important evolutionary factor (Table 6 in Nevo and Beiles 1989).

1 and Fig. 2). Wild emmer wheat is an annual, predominantly self-pollinated, tetraploid wheat with large and brittle ears and big elongated grains (Figs. 3), similar to cultivated emmer and durum wheat. It is the only wild ancestor in the genus Triticum that is cross-compatible and fully interfertile with cultivated T. turgidum wheats. Hybrids between wild T. dicoccoides and all cultivated members of the T. turgidum complex show normal chromosome pairing in meiosis, indicating that all these tetraploid wheats contain homologous chromosomes of the AABB genomic constitution.

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In the Light of Evolution IV: The Human Condition by National Academy of Sciences, Francisco J. Ayala, John C. Avise

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