Nondisjunction Definition

Nondisjunction Sentence Examples

• Mosaicism-A genetic condition resulting from a mutation, crossing over, or nondisjunction of chromosomes during cell division, causing a variation in the number of chromosomes in the cells.

• This event is referred to as nondisjunction.

• The majority of cases of Down syndrome occur due to an extra chromosome 21 within the egg cell supplied by the mother (nondisjunction).