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genetics — Encyclopedia Britannica

Posted: Published on September 5th, 2014

genetics,study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas such as agriculture, medicine, and biotechnology. Since the dawn of civilization, humankind has recognized the influence of heredity and has applied its principles to the improvement of cultivated crops and domestic animals. A Babylonian tablet more than 6,000 years old, for example, shows pedigrees of horses and indicates possible inherited characteristics. Other old carvings show cross-pollination of date palm trees. Most of the mechanisms of heredity, however, remained a mystery until the 19th century, when genetics as a systematic science began. Genetics arose out of the identification of genes, the fundamental units responsible for heredity. Genetics may be defined as the study of genes at all levels, including the ways in which they act in the cell and the ways in which they are transmitted from parents to offspring. Modern genetics focuses on the chemical substance that genes are made of, called deoxyribonucleic acid, or DNA, and the ways in which it affects the chemical reactions that constitute the living processes within the cell. Gene action depends on interaction with the environment. Green plants, for … Continue reading

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How to Sync Music from iTunes directly to HTC Droid DNA? – Video

Posted: Published on September 5th, 2014

How to Sync Music from iTunes directly to HTC Droid DNA? http://www.itunes-android.com If you wanna know how to transfer iTunes music playlists to your Android smartphone HTC Droid DNA! Right video : -) By: iTunes Android … Continue reading

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Dna replication lapse it – Video

Posted: Published on September 5th, 2014

Dna replication lapse it By: Saul Alvarez … Continue reading

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Polar Bear Footprints DNA Samples Processing – Video

Posted: Published on September 5th, 2014

Polar Bear Footprints DNA Samples Processing You can help save polar bears: http://bit.ly/Z5ngAG Gert Polet and Geoff York of WWF demonstrate the processing of the samples collected from polar bear footprints. For the first time, scientists... By: WWF International … Continue reading

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Collecting Polar Bear Footprints DNA Samples For Processing – Video

Posted: Published on September 5th, 2014

Collecting Polar Bear Footprints DNA Samples For Processing You can help save polar bears: http://bit.ly/Z5ngAG Gert Polet of WWF shows how DNA samples are collected from polar bear footprints for processing. For the ... By: WWF International … Continue reading

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DNA exonerates brothers wrongfully convicted of rape, murder in 1983 – Video

Posted: Published on September 5th, 2014

DNA exonerates brothers wrongfully convicted of rape, murder in 1983 A North Carolina judge freed two brothers who were behind bars for 30 years after DNA evidence in their case implicated another man. The two had been convict... By: CBS This Morning … Continue reading

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The Truth About DNA – Kryon channelling 2004 – Video

Posted: Published on September 5th, 2014

The Truth About DNA - Kryon channelling 2004 By: jkf1d … Continue reading

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City Beautiful: How architecture shaped Winnipeg’s DNA – Video

Posted: Published on September 5th, 2014

City Beautiful: How architecture shaped Winnipeg's DNA The Winnipeg Free Press launches a three-part series on the architecture and how it shaped Winnipeg's DNA. City Beautiful includes hundreds of archival images, documents and videos, along with... By: WinnipegFreePress … Continue reading

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DNA clears half brothers of rape and murder after 3 decades in a US jail – Video

Posted: Published on September 5th, 2014

DNA clears half brothers of rape and murder after 3 decades in a US jail Two men in the United States have been released after spending 30-years in prison for a crime they did not commit. The men, both convicted of rape and murder, were released after DNA evidence... By: euronews (in English) … Continue reading

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DNA Plusz Humangenetikai Centrum – Imzs film – Video

Posted: Published on September 5th, 2014

DNA Plusz Humangenetikai Centrum - Imzs film By: DNA Plusz Humngenetikai Centrum … Continue reading

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