News tagged with genetic differences


Genetic study clarifies African and African-American ancestry

Genetic study clarifies African and African-American ancestry

Medicine & Health / Genetics

created Dec 21, 2009 | popularity 4.8 / 5 (11) | comments 0

People who identify as African-American may be as little as 1 percent West African or as much as 99 percent, just one finding of a large-scale, genome-wide study of African and African-American ancestry released ...





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Genomes of identical twins reveal epigenetic changes that may play role in lupus

Medicine & Health / Genetics

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

Identical twins look the same and are nearly genetically identical, but environmental factors and the resulting cellular changes could cause disease in one sibling and not the other. In a study published online in Genome Re ...


Researchers Create New Way To Locate Big Genetic Variants

Biology / Biotechnology

created 5 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Yale University researchers, analyzing hundreds of billions of bits of genetic information, have collated and standardized 2,000 signposts that mark the boundaries of large blocks of human genomic variants.


Genomic differences identified in common skin diseases

Medicine & Health / Research

created Dec 23, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- If you have dry skin, wet it, if wet skin, dry it. This has been a general rule of dermatology for centuries, but scientists are working to develop more precise treatments for the dozen-plus inflammatory ...


Microcephaly genes associated with human brain size

Medicine & Health / Genetics

created Dec 21, 2009 | popularity 3.7 / 5 (3) | comments 1

A group of Norwegian and American researchers have shown that common variations in genes associated with microcephaly - a neuro-developmental disorder in which brain size is dramatically reduced - may explain differences ...


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Genomic toggle switches divide autoimmune diseases into distinct clusters

Medicine & Health / Genetics

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

Genomic switches can predispose an individual to one set of autoimmune disorders but protect the same person against another set of them, scientists at Stanford University School of Medicine have found.


Largest study of PGD children shows embryo biopsy is safe for singleton pregnancies

Medicine & Health / Other

created Dec 22, 2009 | popularity not rated yet | comments 0

The largest and longest running study of children born after preimplantation genetic diagnosis and screening has shown that embryo biopsy does not adversely affect the health of babies born as the result of a subsequent singleton ...


Genetic causes identified for disturbances in lipid metabolism

Medicine & Health / Genetics

created 13 hours ago | popularity 2 / 5 (1) | comments 0

Some of these common human gene variants are already known to be risk factors for diabetes mellitus. The pathomechanisms of diabetes have intrigued physicians and been the subject of much debate for many decades. These new ...


Student sleuths using DNA reveal zoo of 95 species in NYC homes -- and new evidence of food fraud

Student sleuths using DNA reveal zoo of 95 species in NYC homes -- and new evidence of food fraud

Biology / Cell & Microbiology

created 10 hours ago | popularity 5 / 5 (9) | comments 1

Two New York City high school students exploring their homes using the latest high-tech DNA analysis techniques were astonished to discover a veritable zoo of 95 animal species surrounding them, in everything ...



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