Parthenogenesis is possible in humans but very unlikely to result in a viable baby. In order for an embryo to develop from an unfertilized egg, the egg would have to sense a spike in calcium, skip meiosis and then lose a... More »

DNA, or deoxyribonucleic acid, is genetic material that exists in nearly all living organisms, including humans. Any organism with nucleus-based cells has DNA. It is the building blocks forming an organism, and the DNA c... More »

DNA, which stands for deoxyribonucleic acid, is the hereditary material passed down from parents to progeny in almost all living organisms, including humans. DNA encodes sets of genes that govern every heritable attribut... More »

In humans and other animals, traits are passed on from parents to their offspring through DNA. When an egg is fertilized with sperm, the resulting offspring takes 50 percent of its DNA from each parent, and its traits ar... More »

Cloning a human could be beneficial if the cloning produces useful stem cells for the treatment of disease in humans, but cloning could be ethically inappropriate and open up new challenges both ethically and legally, ac... More »

The majority of fungi does not have a negative effect on humans, although some species can cause disease. One example of this is indoor mold, which can cause and exacerbate respiratory conditions, according to the Univer... More »

Haplogroup K is a genetic lineage in humans that is traced via mutations in the DNA that originated thousands of years ago in western Asia. The mutations used to trace haplogroup K are inherited only through the parent t... More » Science Biology Molecular Biology & DNA