Genetics & Evolution
7 Things That People Get Wrong About Evolution and Natural Selection
Unfortunately, it's fairly common to encounter mistaken interpretations of evolution and natural selection. This article looks at 7 common misconceptions.
Hormones and How They Affect Our Lives
A hormone is defined as a chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Despite operating as micro-level human body processes, their operations are essential to our survival and affect our everyday activities of life.
8 Neanderthal Traits That are Found in Modern Humans
Did you know that up to 2% of genes in the human population are actually from Neanderthals? Mood disorders and sleeping patterns are among the traits influenced by these genes. Read on to learn more about the traits modern humans have in common with Neanderthals.
Genetic Diversity: Mutations, Sexual Reproduction, Migration, and Population Size
Genetic diversity is the variation in the characteristics inherited from the parent organisms in a population of a specific species. Genetic diversity can come about through a number of ways: mutations, sexual reproduction, migration, and population size.
DNA Testing With 23andMe: What I Learned of Its Benefits
I tested my DNA with 23andMe. Interestingly, I learned about my family history going back 800 years and the existence and nonexistence of future health risks. You will undoubtedly learn a lot about yourself too, and that knowledge will help you understand your life circumstances. Read about it.
Sickle Cell Disease or Anemia and CRISPR-Cas9 Genome Editing
Sickle cell disease is painful for sufferers and can sometimes be dangerous. Genome editing may one day correct the mutation that causes the disorder.
Facts About Dinosaurs and Impressive Animatronic Models
Dinosaurs Alive is an exhibition consisting of large, animatronic dinosaurs. This article contains facts about the real animals and photos of some of the models.
Fascinating and Unusual Facts About Green Eye Color
When I meet someone for the first time, I always notice their eyes. Here are some cool facts about people with green eyes.
Inherited Physical Disorders and the Amish Baby Boom
Despite contrary advice, marrying a first cousin can indeed result in a greater probability of birthing a child with genetic defects. The Amish avoid these close marriages, too.
Blood Types: History, Genetics, and Percentages Around the World
Prior to the discovery of blood groups, blood transfusions were often deadly. Physicians attempted the use of milk and animal blood as an alternative to human blood, but met with limited success: the discovery of blood types allowed modern transfusions to safely take place. Blood typing, blood groups around the world, and the genetics of blood types are discussed in this article.
Redheads: The Genetics of Hair Color
Hair color is primarily genetic, and red hair is caused by mutations in the MC1R gene. The gene for red hair also causes an increased sensitivity to sunlight and reduced sensitivity to anesthesia. Contrary to internet rumors, redheads are not going extinct!
Blood of the Irish: What DNA Tells Us About the Ancestry of People in Ireland
Examining what it means to have Irish blood, outlining where Irish DNA comes from and who are the closest genetic relatives of the Irish in Europe. Of interest to anyone with Irish ancestry who wants to understand their genealogy.
The Y Chromosome: Ancestry, Genetics, and the Making of a Man
The Y chromosome contains haplogroups that allow people to trace their family history and genes that control male development which may actually be disappearing.
Telomeres and Telomerase: Possible Roles in Aging and Cancer
Telomeres protect the ends of chromosomes. Telomerase is an enzyme that stops telomeres from shortening. Both may play a role in the aging process and in cancer.