I. MUC TIEU 1 Kien thiifc
2.Tit van di truyen va viec sang loc trudc sinh
Hogt dpng cda GV Hogt dpng cda HS Npi dung + Em hidu tu vdn di
truyen la gi?
+ Tu vdn di truyen cd kdt qua thi lam gi?
- GV nhan xet, danh gia va yeu cdu HS khdi quat kidn thflc.
+ HS van dung kidn thflc thuc td va kidn thflc sinh hgc 9.
+ Trao ddi nhdm thdng nhdt dugc kidn thflc. - Yeu cdu neu dugc: + Khai niem vd tu van di truyen y hgc.
+ Cdng viec can lam de tu van cd kdt qua.
+ Dac biet la cdng viec chuan doan trudc sinh bao gdm: Chgc dd djch di va sinh thidt tua nhau thai.
- Dai dien cac nhdm tra ldi -> ldp nhan xet bd sung.
- Tu vdn di truydn y hgc la su trao ddi y kidn cung cap thdng tin, tien doan va cho ldi khuyen vd kha nang mde mdt benh di truyen nao dd cua ddi con cua cac cap vg chdng ma ban than hg hay mdt so ngudi trong ddng hg da mde benh ay.
- Tu vdh di truyen cd kdt qua cdn tidn hanh cdng viec.
Hogt dpng cda GV Hogt dpng cda HS Npi dung
- GV hdi:
+ Lieu phap gen la gi? + Quy trinh kT thuat lieu phdp gen tidn hanh nhu thd nao?
- HS nghien cvtu SGK
muc 3 trang 94, van dung kidn thflc bai 20 —> nhan bidt kidn thflc. - HS trao ddi nhanh
trong nhdm dd tra ldi -^
Ldp nhan xet.
+ Chdn doan dung benh di truyen.
+ xay dung dugc pha he cua ngudi benh.
+ Chdn doan xac sudt xuat hien tre mde benh d ddi sau.
* Sang lgc trudc sinh (chan dodn trudc sinh).: Xet nghiem de bidt xem thai nhi cd bj benh di truydn dd hay khdng. - KT thuat chu ydu. + Chgc dd dich di. + Sinh thidt tua nhau thai tach la'y td bao phdi de phan tfch ADN, NST. - Tac dung:
+ Phat hien dugc benh di truyen phan tfl lam rdi loan qua trinh chuyen hod trong co the.
+ Ap dung bien phap an kieng hoac kT thuat hgp If dd han che hau qua.