Articles related to "Mitochondrial Dna"



Mitochondrial DNA and Genetics
Mitochondrial DNA is inherited only from the mother, and is present in higher abundance than the nuclear genome, making this molecule useful in genetics studies.
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Mitochondrial DNA mutations and Genetic Counseling
Reviews issue of genetic counselling for mitochondrial DNA mutations. Uses a specific case from literature as example.
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Mitochondrial Disease
Mutations in the mitochondrial DNA can reduce the function of the mitochondrion, the power house of the cell, resulting in metabolic syndromes and disorders of metabolism
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What is Mitochondrial DNA?
DNA-based technologies have enormous forensic implications in the fight against crime. Mitochondrial DNA MtDNA is perfect for older, smaller or degraded samples.
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Who is Mitochondrial Eve?
The idea of Mitochondrial Eve has spurred both imagination and confusion. Here is a simple explanation of this female ancestor all humans alive today share.
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Forensic Methods of DNA Testing
Analyzing evidence from unsolved cases with new technologies may help in solving decades-old homicides. New forensic techniques in DNA testing aid in this evaluation.
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Genetic mtDNA In Vitro Embryo Research
Researchers use the genetic material from 3 people to circumvent mutations in the mother's mitochondrial DNA (mt DNA).
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Mitochondrial DNA
DNA is a person's unique genetic map. It contains all of the information needed to make one, unique human being, unless it is mitochondrial DNA.
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What Is Mitochondrial DNA (mtDNA)?
With recent news about three parent zygotes created to replace defective maternal mitochondrial DNA, you might be wondering "What is a mitochondrion?"
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Genealogical DNA
Many people are interested to learn about their national origins. Now through a home DNA test you could find your true Native American or other ethnic heritage.
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Understanding Genetic Genealogy
Sykes says his book is about "the history of the world as revealed by genetics." He tells his research story in a easy way that serves to demystify his conclusions.
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The Basics of DNA Types and Inheritance
People interested in exploring both recent and deep ancestry may turn to molecular genealogy for more information.
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The Seven Daughters of Eve
Sykes says his book is about "the history of the world as revealed by genetics." He names the genetic clan groups and describes their world.
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DNA and Genealogy
DNA studies have developed rapidly to help scientist understand biological systems and disease. Genomics are now being applied to fingerprint criminals and cousins.
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BABIES WITH TWO MOTHERS, IS IT WRONG?
Last March the Institute for Reproductive Medicine and Science of Saint Barnabas in West Orange, New Jersey, reported in the Journal of Human Reproduction in the paper: “Mitochondria in human offspring derived from ooplasmic transplantation: Brief communication,” that they had produced 16 babies that had two biological mothers and that here already 30 worldwide. This information caused concern in the medical community because it implicated the modification of the human genome. Before discussing the implications of this fact, let me tell you why and how it was done.
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Mitochondria, Power Plants of the Cell
Mitochondria provide all of the energy for a cell, making them some of the most important organelles in the cell.
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White Shark Study Focuses Conservation Concerns
Great white sharks of central California coast are separate from populations of other Pacific Ocean populations. Study pinpoints areas to target for shark conservation
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The First Americans
New archaeology and genetic research suggests Solutreans from France/Spain were among the first human inhabitants of America as "Clovis" people.
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The Qilakitsoq Mummies
Desiccated by freezing temperatures, the Qilakitsoq mummies provide fascinating information about their lives amongst the Inuit but little about their deaths
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Cloning
A look at the different types of cloning and their uses.
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How DNA Testing Can Reveal Genealogy
Everyone carries the DNA sequences of their ancestors, DNA that can be explored through genetic testing. Here are common tests used, and what they can and can't reveal.
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Cancer Treatment in Old Age
Cancer is largely a disease of older people. As a person ages, molecular, cellular, and physiological changes in the body influence the development of cancer. These factors also influence responses to treatment. Sociological factors also influence decisions to treat the older patient.
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LITTLE KNOWN ASPECTS OF DNA ANALYSIS
Everyone knows DNA is forensic magic, but mystery novelists could get some mileage out of the more practical problems which pop up--such as, in which kind of analysis do we invest taxpayer money? Which gives the fastest results? And who gets the bill?
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DNA Analysis Could Help Find Amelia Earhart
A hair purportedly from Amelia Earhart could provide the DNA sample needed to compare artifacts found in exploration of the island where she may have crashed and died.
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Facts About DNA and Genes
DNA is a fascinating molecule - it's strong, it's long, it's found in viruses, and offers insight into the ancestry of modern humans.
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Forensic Science for Beginners
Forensic Science has become a popular topic of conversation, especially forensic psychology and the art or science of criminal profiling.
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Genes and Genealogy
Genealogical DNA analysis can reveal historic ancestors, determine the geographic movement of family groups and find distant relatives around the globe.
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Starfish and Sea Urchins
All echinoderms are clearly related, but exactly how the five types came about is not clear.
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CODIS – a System of Pointers
The Combined DNA Index System, CODIS, combines computer and DNA technologies into an effective tool for fighting violent crime and finding missing persons.
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Common Misconceptions in Genetics
Misunderstood areas in genetics include the eye color phenotype, the genetics of identical twins, cloning, and the offspring of first cousins.
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DNA Testing for African Ancestry
African ancestry is a major part of an African American's identity, but many lack information about their specific African roots. Here's how to solve the puzzle with DNA.
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DNA Testing for Native American Ancestry
DNA testing can reveal a genetic link to Native American populations, but information is limited. Here are tips on what DNA results can and can't show in the family tree.
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Forensic DNA Fingerprinting
DNA plays an important role in modern forensic science. Today, DNA fingerprinting has become one of the primary methods of identifying people and solving crimes.
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Free Radicals
Free radicals are unstable molecules that cause damage to the body's cells. Antioxidants can neutralize free radicals.
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Idebenone
Coenzyme Q10 is a crucial molecule in human metabolism. A relatively new cousin, idebenone, may have clinical uses in situations where even CoQ10 proves inadequate.
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Juanita the Inca Ice Maiden
In archaeology, the artifacts are not only a window on the traditions of the dead, but, as in the case of Peru's mummies, it can have a powerful impact in modern affairs.
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Mating Behavior in Animals
The patterns of mating and the types of mating systems found throughout the animal realm are quite diverse.
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Sun Cycles and Autoimmune Disease
Alterations in peak solar intensity, which occur in cycles, contribute to the development of several disorders, including autoimmune diseases
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The Ethiopian Wolf
A descendant of wolf-like ancestors that once ranged into Africa, the Ethiopian wolf is now a critically endangered species. Fewer than 600 remain.
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The Neandertal Enigma Examined
James Shreeve's book examines the conundrum of where and when modern humans emerged and what happened to the populations our ancestors replaced.
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Things You Should Know About DNA Profiling
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.
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Tracking the Echidna's Sex Life
Australian biologists are studying the life cycles of a group of wild echidnas to develop better ways of breeding these elusive and endangered monotremes in captivity.
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Coenzyme Q10
Is CoQ10's "orphan drug" status in the US dictated by scientific data, or do politics and industrial lobbying play a significant role?
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Modern Salmon And The Ice Age
Millions of years of evolutionary adaptation forged by mountain building and volcanism led to modern day salmon species, who in their turn survived an onslaught of ice.
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What is Low Copy Number DNA?
Maybe LCN DNA is the next frontier. It has proven helpful in cold cases but because of the small samples there are big risks of contamination and accuracy.
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Book Review: Mammoth: The Resurrection of an Ice Age Giant
If you liked the Discovery Channel documentary about the recovery of a frozen mammoth carcass, you will love Richard Stone's <I>Mammoth</I>, about the history of mammoth hunting for science, and the quest to clone a mammoth.
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MOLECULAR AND CELULLAR MEDICINE ADVANCES = ETERNAL YOUTH?
In my previous articles I have told you about the ways they think life will be extended in the near future. They deal with the replacement of cells, organs or disease-related genes. However, those are solutions to the consequences of accidents, diseases and aging. Now I want to tell you about a series of experimental results that strongly indicates that the fountain of youth lies in a set of genes that regulate how we age. Thus, life could be extended if and when the molecular doctors learn how to modulate the action of those genes.
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When the truth isn't enough to set you free
Why are some convicted criminals being exonorated?
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The Pancreas - an Overview
The pancreas is a complex organ. It controls blood glucose levels, directs the liver to produce glucogon when glucose levels are low, as well as other functions.
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