Is “Nondisjunction” a Scrabble word?
Yes
NONDISJUNCTION
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Nondisjunction
noun
1.The failure of chromosome pairs to separate properly during meiosis