21q deletion (Q66475)

Monosomy 21 is a chromosomal anomaly characterised by the loss of variable portions of a segment of the long arm of chromosome 21 that leads to an increased risk of birth defects, developmental delay and intellectual deficit.

Language	Label	Description	Also known as
default for all languages	ID_47014571
English	21q deletion	Monosomy 21 is a chromosomal anomaly characterised by the loss of variable portions of a segment of the long arm of chromosome 21 that leads to an increased risk of birth defects, developmental delay and intellectual deficit.