Possible Treatment Breakthrough: Fragile X Syndrome

Previous medical research has pinpointed the part of the cell affected by FXS but a new study reveals how the problem occurs. ... read more »

Human Genome Project: Ethical, Legal, and Social Implications

The Ethical, Legal, and Social Implications (ELSI) program was founded in 1990 as an integral part of the Human Genome Project. ... read more »

What Was the Human Genome Project?

The Human Genome Project was an international research effort to determine the sequence of the human genome and identify the genes that it contains. The Project was coordinated by the National Institutes of Health and the U.S. Department of Energy. ... read more »

How Is a Genetic Condition Inherited?

Some genetic conditions are caused by mutations in a single gene. These conditions are usually inherited in one of several straightforward patterns, depending on the gene involved. ... read more »

The Likelihood of Genetic Disorders

When a genetic disorder is diagnosed in a family, family members often want to know the likelihood that they or their children will develop the condition. ... read more »

Research Setting Vs. Clinical Genetic Testing

The main differences between clinical genetic testing and research testing are the purpose of the tests and who receives the results. ... read more »

Prenatal Screening for Fetal Aneuploidy

All pregnant women in Canada, regardless of age, should be offered, through an informed counseling process, the option of a prenatal screening test for the most common clinically significant fetal aneuploidies. ... read more »

International Study Recommends Ovary Removal by Age 35

For women who carry the BRCA1 gene mutation, the odds of getting ovarian cancer are 39 for every 100 BRCA+ women. Once disease develops, preventive ovary removal surgery by age 35 is the best defense. ... read more »

Customizing Genes Through Designer Sperm

Scientists have brought us a step closer to stopping genetic diseases before they pass from one generation to the next. ... read more »

Causes of PCOS

What causes PCOS? ... read more »

Metabolic Syndrome in Children

Some people contend that a lot of the disease and conditions that people think of as hereditary actually have nothing to do with your genes, and everything to do with how you were carried and raised. ... read more »

Genomic Research

Genomic Research ... read more »

Parenting Style Influenced by Genetics

A team of researchers at Michigan State University (MSU) has conducted an in-depth study of parenting styles and concluded it has about as much to do with genetics as it does family tradition. ... read more »

Machado Joseph Disease

Machado Joseph disease is a genetic disorder affecting muscle movement and development. Unlike many other genetic diseases, only one parent needs to carry the gene to pass the condition onto children. ... read more »

How Do Genes Direct the Production of Proteins?

Most genes contain the information needed to make functional molecules called proteins. (A few genes produce other molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. ... read more »

Is Using a Cancer Drug to Stop Pregnancy Safe?

Having children is part of the human experience for many men, but that experience is often dictated by the realities of life, limits of personal finance and the need to explore the world before settling down as a father. ... read more »

Common Genetic Conditions Due to Ethnicity

Some genetic disorders are more likely to occur among people who trace their ancestry to a particular geographic area. People in an ethnic group often share certain versions of their genes, which have been passed down from common ancestors. ... read more »

What Do Statistics Reveal About Genetic Conditions?

Statistical data can provide general information about how common a condition is, how many people have the condition, or how likely it is that a person will develop the condition. Statistics are not personalized, however, they offer estimates based on groups of people. ... read more »

How Chromosome Structure Affects Health and Development

Changes that affect the structure of chromosomes can cause problems with growth, development, and function of the body's systems. These changes can affect many genes along the chromosome and disrupt the proteins made from those genes. ... read more »

How Mitochondrial DNA Affects Health and Development

Mitochondria are structures within cells that convert the energy from food into a form that cells can use. Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. ... read more »

Can Number of Genes Affect Health and Development?

People have two copies of most genes, one copy inherited from each parent. In some cases, however, the number of copies varies'meaning that a person can be born with one, three, or more copies of particular genes. ... read more »

Reversing Damaged Eggs Due to Cancer Treatments

Researchers at Cornell University in Ithaca, New York, have found a way to reverse the damage done to the immature eggs (oocytes) of female mice exposed to radiation. ... read more »

Cells and DNA

Learn about cells, DNA, chromosomes, and genes. ... read more »

Genetic Variations in Infants with Neonatal Abstinence Syndrome

NAS is caused by opioid-dependence during pregnancy. Researchers revealed a connection between genetic variants in newborns with the condition, length of hospital stay and necessary treatment. ... read more »

Blood Test for Pregnant Women Shows RNA Activity in Fetus

Researchers at Stanford University in California have developed a test that uses a small sample of a pregnant woman's blood to monitor the RNA activity of a fetus throughout pregnancy. ... read more »

Understanding Genetics

This "Help Me Understand Genetics" section is from the NLM and presents basic information about genetics in clear language and provides links to online resources. ... read more »

Genetic Testing to Prevent Fatal Brain Disease in Children

A 27-year-old woman wanted to have children but she did not want her children to live as she does, knowing she is genetically inclined to develop a very rare crippling brain disease. ... read more »

Should Newborn Screening Protocols Include Genome Sequencing?

Researchers at McGill University in Montreal, Canada, question the value of including genome sequencing to the standard regimen of tests given to newborn babies. ... read more »

Link Between Childhood Leukemia and a Genetic Mutation

A recent study of the genomes of children with a rare form of acute lymphoblastic leukemia (ALL) found that this particular genetic mutation increases a child's risk of cancer by 2,700 times. ... read more »

Genetic Similarity Between Autism and Schizophrenia

New discoveries of genetic mutations link autism, schizophrenia, certain seizure disorders, and certain intellectual disabilities as stemming from a common origin. ... read more »

Why Does a Miscarriage Occur?

The American College of Obstetricians and Gynecologists estimate up to 25% of pregnancies will end in pregnant miscarriage, but why does pregnant miscarriage occur? ... read more »

Which Genes Will Your Baby Inherit?

When I was born, I was lucky enough to get my dad’s recessive blue eyes. This doesn’t happen too often though, which always gets people guessing about which traits their baby will ultimately inherit. ... read more »

What is the Cost and How Long is the Genetic Testing?

The cost of genetic testing can range from under $100 to more than $2,000, depending on the nature and complexity of the test. ... read more »

Can Changes in Chromosomes Affect Health and Development?

Human cells normally contain 23 pairs of chromosomes, for a total of 46chromosomes in each cell. A change in the number of chromosomes can cause problems with growth, development, and function of the body's systems. ... read more »

Living with Congenital Heart Disease

Some congenital heart disease conditions are mild enough to be left untreated without reducing lifespan or quality of life, though there are lifestyle changes and health care that must be taken into consideration. If the condition worsens, at any time, further medical treatment may be needed. ... read more »

How an Extra Chromosome Changes Entire Genome of Twins

Dr. Stylianos Antonarakis and his international team of researchers had the rare opportunity to study the genomes of identical twins where one twin had Down syndrome and the other did not. ... read more »

Jewish Genetic Diseases

There are nearly 4,000 genetic diseases known that afflict the world's population. Certain genetic diseases occur at higher frequencies among certain ethnic, racial, or demographic groups. ... read more »

Child Height Calculator: How Tall Will Your Baby Be?

Will your baby be tall? Doting parents often wonder just how tall their little ones will grow to be. According to Dr. Alex Roche, adult height can be predicted using a simple mathematical equation. ... read more »

BPA Exposure Affects Up to Four Generations of Offspring

While animal studies are not often comparable to human studies, they can tell us a bit about how the body works and what to expect or look for in human studies. A recent study provided some very interesting information on BPA or Bisphenol A. ... read more »

Microarray More Accurate Than Karyotyping

Genetic testing is an important part of diagnosing and treating chromosomal abnormalities. Currently, karyotyping is the most prevalent form of prenatal genetic testing, but the results of microarray testing appear to be more accurate. ... read more »

Walker Warburg Syndrome

WWS, also known as Walker Warburg Syndrome, is a genetic condition passed on to children of parents with two recessive genes. Both parents must have the recessive gene for children to be born with the condition. ... read more »

Spinal Muscular Atrophy

Spinal Muscular Atrophy is a genetic disorder that affects motor neurons. The protein needed to keep these motor neurons alive is not coded correctly by the SMN1 gene. ... read more »

Familial Hyperinsulinism

Familial Hyperinsulinism affects insulin levels, which in turn affects blood glucose levels. Patients with the condition release too much insulin. Too much insulin causes blood glucose levels to drop, leading to hypoglycemia. ... read more »

Familial Dysautonomia

Familial Dysautonomia, also known as Riley-Day syndrome, affects the development and function of nerves throughout the body. ... read more »

Introduction to Breast Cancer: Causes and Risk Factors

Breast cancer is the most common type of cancer in women and the second leading cause of cancer related deaths, next to lung cancer. ... read more »

Designer Babies Could be Tested to Perfection

With the development and perfection of genetic testing, every chromosome in the human body can be tested for faults and defects. This testing can and does take place while the fetus is in-utero, so what is stopping couples from aborting a fetus because chromosomal testing reveals an imperfection? ... read more »

D-Loop Genotyping May Predict Endometriosis Risk

Researchers in India recently published a study in the journal Fertility and Sterility supporting D-Loop genotyping to predict risk of endometriosis. ... read more »

Genetic Mutations Linked to Paternal Age

Hollywood stars are known for waiting later in life to start families, but researchers say men who wait longer may be increasing the risk of passing genetic mutations like autism on to offspring. ... read more »

Congenital Adrenal Hyperplasia (CAH), Fertility and Pregnancy

CAH or congenital adrenal hyperplasia is a disease caused by gene mutation. The condition affects cortisol, cholesterol and adrenal gland function. All CAH patients have some level of impaired fertility. ... read more »

BRCA Mutation

BRCA1 and BRCA2 mutations are not gender specific and can affect both men and women. A genetic counselor can discuss with you your individual risks and recommend certain methods of genetic testing. ... read more »

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