Potentially Infectious Biomedical Waste includes, but is not limited to the following: 1  Cultures and stocks of infectious agents and associated biologicals, including cultures from medical and pathological laboratories, from research and industrial laboratories.
1 (biology) During meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II). ( 2 in mathematics): conjunction. ( 3 in mathematics): logical connective. ( in logic): inclusive disjunction.
Article draft and notes. Nondisjunction is the failure of chromosome pairs to separate properly during meiosis or mitosis. The result of this error is that a chromosome(s) is lost (or gained). When a chromosome is lost, it is called a Monosomy, in which the gamete with the defect will have 1 or more chromosomes missing from one of its pairs.