CONVENTION ON BIOLOGICAL DIVERSITY THE CONTRACTING PARTIES‚ CONSCIOUS of the intrinsic value of biological diversity and of the ecological‚ genetic‚ social‚ economic‚ scientific‚ educational‚ cultural‚ recreational and aesthetic values of biological diversity and its components‚ CONSCIOUS ALSO of the importance of biological diversity for evolution and for maintaining life sustaining systems of the biosphere‚ AFFIRMING that the conservation of biological diversity is a common concern of humankind
Premium Conservation biology Sustainability
Genetic Engineering – A Curse or a Blessing? What is geneitc engineering? Many struggle to understand the real meaning and outcrops of this complicated‚ highly expensinve procedure. Genetic Engineering is a direct human manipulation of an organism’s DNA structure. As intricated as it seems‚ it’s a technology that has been used for decades‚ and is soon to outbreak into a real “Cloning Aeon”. Therefore‚ how could we know the benefits and the drawbacks of this technique? Let us take a hinge
Premium DNA Science Evolution
AmirAshkan Semyary By using the techniques of genetic engineering scientists are able to modify genetic materials so that a particular gene of interest from one cell can be incorporated into a different cell. It is necessary to obtain a gene to modify genetic material. First a scientist isolates plasmid DNA from bacteria and DNA carrying a gene of interest from cells of another organism‚ such as an animal. A piece of DNA containing the gene is inserted into a plasmid‚ producing recombinant DNA
Premium DNA Molecular biology
In 1831‚ Charles Darwin‚ proposed a theory of evolution occurring by the process of natural selection. This has come to be known as the Theory of Natural Selection. Darwin worked on his theory for 20 years and after learning that Alfred Russel Wallace‚ another naturalist‚ had developed similar ideas‚ the two made a joint announcement of their discovery in 1858. Darwin published ’On the Origin of Species by Means of Natural Selection’ in 1859‚ 28 years after he proposed his theory of natural selection
Premium Evolution Allele Population genetics
1. Introduction Ageing is the accumulation of changes in an organism or object over time and is usually mainly seen as a biological process‚ however there are many other factors that can affect the ageing process such as the psychosocial and behavioral factors. These influence heavily on the aged person and the life they live. If any of these components of aging are neglected or ignored then person couldn’t possibly sustain a healthy standard of living. 2. Effects Of Ageing- Psychosocial
Premium
Integrating biological knowledge to develop an informed response to a socio-scientific issue. The use of IVF and preimplantation genetic diagnosis (PGD) Preimplantation genetic diagnosis (PGD) is the process of identifying genetic defects within an embryo before implantation‚ PGD allows the embryos DNA to be studied for mutations and genetic diseases. Originally PGD was used on female embryos and was used to prevent pregnancy termination in pregnancies with high risks of a sex linked genetic disease
Premium Pregnancy In vitro fertilisation Genetics
There are three key principles that define the biological level of analysis. 1. Emotions and behaviours are products of the anatomy and physiology of the nervous system 2. Patterns of behaviour can be inherited 3. Animal research can provide insight into human behaviour In this short essay‚ I will give a brief summary of the principles that define the biological level of analysis. 1. Emotions and behaviour as products of anatomy and physiology of nervous system All observable behaviour
Premium Psychology Evolution Biology
Mendelian Genetics Introduction In 1865 an Austrian monk‚ Gregor Mendel‚ presented the results of painstaking experiments on the inheritance of the garden pea. Those results were heard‚ but not understood‚ by Mendel’s audience. In 1866‚ Mendel published his results in an obscure German journal. The result of this was that Mendel’s work was ignored and forgotten. Mendel died in 1884 without knowing the pivotal role his work would play in founding the modern discipline of genetics. By 1899‚ some
Premium Gregor Mendel Genetics Null hypothesis
Discuss biological approaches to addiction (9+16 Marks) The genetics of addiction: * People who have an addictive personality are likely to be predisposed to it because of their genes. * Family and twin studies have demonstrated that genes contribute towards the development of alcohol dependence‚ with heritability estimates of between 50 and 60 % for both males and females. McGue‚ 1999 * Fowler et al‚ 2007 – found that in a study of 1‚214 twins genetic influences played a role in the
Premium Addiction Alcoholism Drug addiction
Explain how biological factors may affect one cognitive process Memory is essential to human beings. It’s not only the brain’s main function‚ but is also used everyday without us noticing: we acquire new information‚ store it‚ retain it and might retrieve it if needed. It’s thanks to memory and its three main stages: encoding‚ storage and retrieval‚ that humans can operate and recall events and information on a daily basis with no difficulty or effort whatsoever. In 1960‚ it was claimed that there
Premium Hippocampus