Common genetic variants affect the risk of abnormalities in chromosome number (a phenomenon known as aneuploidy), a major cause of pregnancy loss, according to a study published in Nature. The ...

A baby’s genetic makeup is determined when the sperm meets the egg during fertilization. Typically, a full set of DNA is formed, which contains 23 pairs of chromosomes. Sometimes, extra chromosomes ...

Height is one of the most evident sex-based differences observed in humans, as men are on an average 13 cm (5 inches) taller than women. Sex hormones certainly play a significant role in driving this ...

JA Rosenfeld is an employee of Signature Genomic Laboratories, a subsidiary of PerkinElmer, Inc. The authors have no other relevant affiliations or financial involvement with any organization or ...