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 ...


fruit fly

The how and why of freezing the common fruit fly

Biology / Plants & Animals

created Dec 18, 2009 | popularity 5 / 5 (4) | comments 0

Using a microscope the size of a football field, researchers from The University of Western Ontario are studying why some insects can survive freezing, while others cannot.


Skull bone may hold the key to tackling osteoporosis

Medicine & Health / Research

created Dec 19, 2009 | popularity 5 / 5 (8) | comments 0

Scientists at Queen Mary, University of London have uncovered fundamental differences between the bone which makes up the skull and the bones in our limbs, which they believe could hold the key to tackling bone weakness and ...


Genomic differences identified in common skin diseases

Medicine & Health / Research

created 5 hours ago | popularity 5 / 5 (1) | 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 59 minutes ago | popularity not rated yet | 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 ...


Scientists use DNA sequencing to attack lung cancer

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

Aided by next-generation DNA sequencing technology, an international team of researchers has gained insights into how more than 60 carcinogens associated with cigarette smoke bind to and chemically modify human DNA, ultimately ...



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