Purpose: To determine the prevalence of chromosomal abnormalities in fetuses with prenatally diagnosed pleural effusions and to identify factors associated with an increased risk of aneuploidy.

Polydactyly, the presence of an extra finger, is a common and often harmless congenital condition resulting from minor genetic signaling changes during fetal development. While it can be inherited or ...

Doctors discovered a woman had "blood chimerism" after examining the chromosomes of cells from different parts of her body.

Researchers have discovered a suite of genes that influence head shape in humans. These findings help explain the diversity of human head shapes and may also offer important clues about the genetic ...

Genetics is just one of several factors thought to influence personality disorder development. Life experiences, family dynamics, coping mechanisms, and social learning may all be contributing factors ...

The year was 1900. Three European botanists — one Dutch, one German and one Austrian — all reported results from breeding experiments in plants. Each claimed that they had independently discovered ...

Yes, your sex life is influenced by your DNA. But it’s more complicated than that. By Steven M. Phelps and Robbee Wedow Dr. Phelps is a biologist and Dr. Wedow is a sociologist and geneticist. As ...