’n mediese praktisyn in mpumalanga, dr midah maluleka, verduidelik: "daar is ’n ekstra nommer 21 chromosoom (trisomie 21) wat vertragings in fisiese en intellektuele ontwikkeling veroorsaak.

mpumalangabased medical practitioner dr midah maluleka says: "there is an extra number 21 chromosome (trisomy 21) which causes delays in physical and intellectual development.
