Science / Biology / Nondisjunction: The failure of chromosomes to separate properly during cell division. The unequal segregation of chromosomes during meiosis. This forms cells with either too many (possibly one or more single or sets MORE
Entertainment / Music / Recitative: Solo vocal declamation that follows the inflections of the text, often resulting in a disjunct vocal style: found in opera, cantata, and oratorio. MORE
Science / Genetics / Advanced Maternal Age: Women over age 34 (age 35 at delivery) at increased risk for nondisjunction trisomy in fetus. MORE