不如你讀下科學啦
唐氏都係23對,係第21pair 多左條,叫trisomy 21
點唔係人
同埋上邊係染色體only
Human genome:
https://media.nature.com/lw800/magazine-assets/d41586-021-01506-w/d41586-021-01506-w_19225050.jpg
其實你花一兩年讀晒人既科學,你知人既本質,就唔會問d咁on9既問題,你放過我啦
https://oer.galileo.usg.edu/cgi/viewcontent.cgi?article=1004&context=biology-collections