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Off-site Genetics Links, User Submitted

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Fri Sep 5

• Why 10% Of Europeans Are Safe From HIV Infection: Plagues of Europe (1347-1660) were in fact a continuing series of epidemics of a lethal, viral, haemorrhagic fever that used the CCR5 as an entry port into the immune system.
• Connection Between A Mother's Mood And Her Baby's Sleep: Babies born to depressed mothers had little or no evidence of an in-born 24-hour circadian rhythm soon after they were born - unlike the babies born to women who weren't depressed.
• Mice With Human Fingers Means Junk DNA May Have Led To Human Dexterity | Scientific Blogging
• All Brains Are the Same Color - New York Times: Evidence heavily favors the view that race differences in I.Q. are environmental in origin, not genetic. The hereditarians begin with the assertion that 60 percent to 80 percent of variation in I.Q. is genetically determined. However, most estimates of heritability have been based almost exclusively on studies of middle-class groups. For the poor, a group that includes a substantial proportion of minorities, heritability of I.Q. is very low, in the range of 10 percent to 20 percent. This means that for the poor, improvements in environment have great potential to bring about increases in I.Q. In any case, the degree of heritability of a characteristic tells us nothing about how much the environment can affect it. Brain size is correlated with intelligence, and that blacks have smaller brains than whites. But the brain size difference between men and women is substantially greater than that between blacks and whites, yet men and women score the same, on average, on I.Q. tests.
• Al Fin: Biology Singularity
• iHOP - Information Hyperlinked over Proteins
• Genetics and infectious disease | Some people are more prone to infection than others. One answer could be to dose them with the molecules that their immune systems cannot make| Economist.com: Different alleles of certain genes cause some people to succumb to infection whereas others are left relatively unscathed. They thus hope to explain not only why some people can be infested with virulent microbes without contracting a disease (whereas others become ill even though they are less infected) but also why such patterns run in families and in ethnic groups. A single gene out of the 25,000 or so in the human genome can make all the difference to whether or not a person suffers from many common diseases. The lack of a molecule called type 1 interferon plays a role in innate immunity: the defence against infection that babies are born with. Adaptive immunity is thought to be a response to specific bacteria, viruses, fungi and parasites (the development of specific antibodies). Innate immunity is the body's general response to all threats of disease; however new research suggests that innate immunity could be specific, too and it is genetic trait.
• Gene domino effect behind brain, pancreatic tumors
• Généthon ? des biotechnologie s innovantes pour des maladies génétiques orphelines
• DNA From The Beginning

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