Articles related to "Allele"

Understanding the differences between a dominant and recessive trait and the functions of alleles is important to knowing how basic genetic inheritance works.

Learn about genetic traits by examining some of your own! This article explores the genetic of iris pigment and nearsightedness.

It's much easier to understand genetics and heredity if you examine actual examples of dominant and recessive phenotypes that you possess.

Understand heredity first hand by examining actual examples of dominant and recessive phenotypes that you possess.

At the end of the fifth century, the Saxon warrior Allele carved out his own kingdom in Sussex. Soon after, he disappears from history, a possible victim of Arthur.

Collection of articles exploring simple inheritance of human genetic traits, including earlobe attachment, dimples, myopia, eye color, cleft chin, and hand clasping.

What is the relationship between genes, chromosomes and DNA? Genotypes, phenotypes and alleles? Read on to learn how inheritance works.

A mutation in the CCR5 chemokine receptor gene has been discovered that provides protection against infection by HIV-1, the most common strain in North America.

Not all genes confer a dominant trait and having certain mutated genetic variants does not guarantee the development of an inherited disorder.

Incomplete dominance and codominance are often confused with one another, but by understanding the basic mechanisms behind these two traits, students can tell them apart.

The color of a horse's coat depends on what genes are inherited, and in many cases is bred for specifically. This overview gives possible genotypes for every coat color.

An understanding about the co-morbid link between depression and alcoholism is essential to the proper diagnosis and effective treatment of alcoholism.

DNA Profiling or Fingerprinting is one of the most useful and accurate of all forensic science tools especially as DNA analysis techniques are constantly evolving.

Escape mutations can protect HIV-1 against detection by cytotoxic T-lymphocytes (CTL); however, some of these alterations in virus structure also provide a host advantage

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

Stiff-man syndrome is known to occur in patients with one or more organ-specific diseases. This article describes these co-existing conditions.

This planet teems with an amazing diversity of living species. How does genetic drift help drive the process of evolution to produce such a riotous multitude of life?

Recently, scientists managed to genetically engineer cows in which this allele has been "knocked out". These cows may be resistant to developing BSE, or "mad cow".

The presence of antibodies in a mother's circulation against certain blood antigens can spell trouble for a pregnancy and the newborn baby.

Those new to the field of genetics may feel baffled by terminology such as "alleles", "autosomal chromosomes" and "genotype".

Electrophoresis is an outstanding applied and basic research method with several useful variations. Electrophoresis is used for many important studies in the sciences.

Some cases of Parkinson disease are inherited. The gene alterations identified may point to cellular pathways involved in development of this neurodegenerative disorder.

SDS-PAGE is a refined modern research tool, invaluable for forensics, medicine, biology. PAGE and PCR have dramatically advanced scientific inquiries of DNA and proteins.

This article describes the most common form of pemphigus, pemphigus vulgaris, a potentially fatal autoimmune condition characterized by blistering lesions.

This article describes celiac disease and the genetic markers that confer susceptibility to its development. This article includes an overview of symptoms and potential complications, and it explains how testing for genetic markers can aid with diagnosis.

Classical genetics is the oldest field within genetic science, and an essential foundation for several other disciplines.

Questions and answers about the history of the most famous battle fought between the Romano-British and the Saxon invaders.

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

A study recently appearing in the May 2007 issue of Journal of Psychiatry and Neuroscience reviews what we know about brain structure of BPD patients.

Three new studies just published in the May 2008 issue of the journal Nature Genetics may lay the groundwork for DNA screening to help us assess our risk of skin cancer.

Various protein antigenic molecules found on white blood cells determine what substances our immune system cells will react with and to what degree.

The regulation of human AGTR1 expression is complex and associated with cardiovascular disease. Animal genes are giving researchers new insight into how this occurs.

Starting in 570AD the Saxons moved against the British. The fight began with the Saxon conquest of the south and ended with the war against Rheged.

Narcolepsy is a neurological disorder that affects a person's ability to regulate sleep-wake cycles. About 1 in 2,000 Americans is afflicted by this misunderstood disease

Each holiday season brings fear of seasonal cookie ear. Hope for therapy or a cure comes with the holly and melts with the snowman. New research provides some answers.

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

This article describes polymyalgia rheumatica, including its symptoms, diagnosis, treatment, and differentiation from other systemic rheumatic autoimmune disorders.

You may have inherited the "fat" or "FTO" gene but take heart! Working out everyday and following a healthy lifestyle can offset this shortcoming.

To the unknowing observer, a truly gray horse will appear to be white. Learn how to distinguish between whites and grays.