Matahui Tala
a Ko e trisomy 21 ko e lekua he manamanatuaga ne tupu he magaaho ne fanau e tama. Ne fa mahani e tau chromosome ke hoa ua, ka ko e tau tama mukemuke ne moua he gagao trisomy ne fai chromosome foki ne lafi ki ai. Ne lauia e chromosome 21 ha ko e gagao trisomy 21.