Genetic Theory

Genealogical DNA analysis can reveal historic ancestors, determine the geographic movement of family groups and find distant relatives around the globe.

Oct 22, 2009 - Bridget Coila

Telomeres cap the ends of chromosomes to prevent them from shortening as cell division takes place. The 2009 Nobel Prize celebrated the discovery of their function.

Oct 8, 2009 - Bridget Coila

Epigenetic changes like methylation play a major role in heredity, development and cancer. What is epigenetics and how does it affect inheritance and evolution?

Sep 10, 2009 - Asaf Peer

Lamarck was the first to set a coherent theory about the origin of species. His claim that adaptation is active was recently reinforced.

Sep 5, 2009 - Asaf Peer

Behaviorists have come to realize that even though behavior is strongly influenced by environmental influences and learning, it also has a genetic component.

Aug 6, 2009 - Dennis Holley

DNA damage and mismatched nucleotides introduced during replication are recognized and removed by the cell machinery.

Jul 20, 2009 - Alicia Mae Prater

A series of critical scientific discoveries were required before the manipulation and propagation of engineered DNA molecules could be undertaken.

May 30, 2009 - Kenneth Rosen

Some people just enjoy being up late at night. Mostly thought of as a personal preference, there might be something a little bit more behind the nocturnal state.

May 27, 2009 - Mary Faler

Single nucleotide polymorphisms are minor alterations in the genetic code, but they can result in very important downstream effects on protein function and expression.

Oct 20, 2008 - Alicia Mae Prater

This article outlines and questions the comparative data used to study brain evolution in bats

Mar 3, 2008 - Melanie Lamprecht

This article series provides information of how mitotic and meiotic cell division differ and how these processes are integral to the human life cycle.

Jan 19, 2008 - Tami Port

Scientists have created ES cells without destroying an embryo or cloning a patient.

Nov 27, 2007 - Barry Starr

Genetic tests can be wrong if one of the tested people is a human chimera.

Nov 7, 2007 - Barry Starr

Dogs come in lots of shapes and sizes. Scientists have figured out that the IGF1 gene is one of the main reasons why.

Oct 27, 2007 - Barry Starr

Recent work points to the OCA2 gene as the key gene in deciding between brown and other color eyes. The green eye gene has not yet been found.

Oct 17, 2007 - Barry Starr

A genetic study in zebrafish helps to identify the gene responsible for Europeans' pale skin-the golden gene.

Oct 6, 2007 - Barry Starr

Why did humans lose their hair over time? Human ancestors may have developed sexually before they developed physically and so ended up hairless.

Oct 2, 2007 - Barry Starr

Recent studies are showing that chemicals like nicotine can change a fetus's DNA to predispose him or her to obesity as an adult through a process called epigenetics.

Sep 21, 2007 - Barry Starr

Changes in the MC1R gene that lead to red hair will always be present at a low level in the collective DNA of humanity.

Sep 18, 2007 - Barry Starr

This article is an in depth review of the Polymerase Chain Reaction, what it is, its funtion and application.

Aug 2, 2007 - Afshan Syed

An article describing the brain disorder Lissencephaly, the differences in genetic development between a normal and smooth brain and siezure management.

Jul 31, 2007 - Afshan Syed

Looking at the structure of the DNA molecule, from the nucleotides that make up DNA, to the discovery of the double helix structure.

Jun 25, 2007 - Joanne Stafferton

The history behind the race to develop a human clone, a look at the Clonaid and Hwang Woo-suk controversies and why human cloning in reality may be a bad idea.

Jun 9, 2007 - Joanne Stafferton

A look at the different types of cloning and their uses.

Jun 7, 2007 - Joanne Stafferton