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Biol 313 Chapter 1. Get a hint. Give at least three examples of the role of genetics in society today. Click the card to flip 👆. Genetics plays important roles in the diagnosis and treatment of hereditary diseases: in breeding plants and animals for improved production and disease resistance; and in producing pharmaceuticals and novel crops ...
Nov 1, 2005 · Nature Reviews Genetics - Programmed and altruistic ageing ... It was August Weismann who suggested that chemical and mechanical damage is, ... the contribution of ageing to individual fitness is ...
Abstract. August Weismann is famous for having argued against the inheritance of acquired characters. However, an analysis of his work indicates that Weismann always held that changes in external conditions, acting during development, were the necessary causes of variation in the hereditary material. For much of his career he held that acquired ...
August Weismann points out the distinction in animals between the somatic cell line and the germ cells, stressing that only changes in germ cells are transmitted to further generations. Edouard van Beneden announced the principles of genetic continuity of chromosomes and reported the occurrence of chromosome reduction at germ cell formation.
Jun 9, 2015 · August Weismann reintroduces readers to a towering figure in the life sciences. In this first full-length biography, Frederick Churchill situates Weismann in the swirling intellectual currents of his era and demonstrates how his work paved the way for the modern synthesis of genetics and evolution in the twentieth century.In 1859 Darwin’s ...
May 1, 2006 · Abstract. This chapter focuses on August Weismann's theory of the germ-plasm. It is argued that both Weismann's failure to conceive of any alternative to the disintegration of the idioplasm as the mechanism of ontogenetic differentiation and nuclear control, and his failure to conceive of any genuinely facultative capacity on the part of the germ-plasm suggest that Weismann never conceived of ...
Appears in 11 books from 1893-2007. Page 1 - We must infer that a plant or animal of any species, is made up of special units, in all of which there dwells the intrinsic aptitude to aggregate into the form of that species : just as in the atoms of a salt, there dwells the intrinsic aptitude to crystallize in a particular way.
