- Cdng thflc tinh IQ IQ = ^ ^ X
ON TAP PHAN DI TRUYEN HOC
I. MUC TIEU
- HS ndm dugc cdc khdi niem co ban trong di truyen hgc tfl rhflc do phan tfl, td bao, CO thd cung nhu qudn the.
- Bidt each he thdng boa kien thflc thdng qua xay dung ban dd khdi niem. - Thanh lap md'i quan he gifla kidn thflc cua cac phdn da hgc.
- Ren ky nang khdi qudt hda, tdng hgp kidn thflc.
II. CHUAN B!
- Mdt so tranh hinh SGK can thidt. - So dd khai niem do GV thidt kd.
- HS dn lai kidn thflc da hgc phdn di truyen, van dung kidn thflc ldp 10, thidt lap ban dd khdi niem.
III. HOAT DONG DAY - HOC 1. Kiem tra 1. Kiem tra
GV kiem tra phdn chuan bj cua HS.
2. Trong tam
GV giup HS hoan thien kT nang xay dung cdc ban dd khai niem.
3. Bai mdi
Mo bai: GV neu muc tieu cua bai hgc va gidi thieu cac ndi dung chfnh ciia bai dn tap
Hogt dpng 1
TOM TAT KIEN THlTC CO BAN CUA PHAN DI TRUYEN VA BIEN DI
Hogt dpng cda GV - GV neu yeu cdu:
Tdm tdt cdc kidn thflc ca ban vd di truyen da hgc trong chuang trinh.
- GV nhan xet, danh gia.
Hogt dpng cua HS
- HS da chuan bi ndi
dung d nha.
- Dai dien nhdm len trinh bay mdt each tdm
tdt -^ ldp nhan xet va bd sung. Npi dung * Ca sd vat chat truydn: di
Hogt dpng cda GV Hogt dpng cda HS Npi dung
- Cdp phan tfl: ADN,
ARN, prdtein. - C a p tebao: NST. * Co chd di truyen: - Cap phan tfl: Tu sao ma, djch ma.
- Cap td bao: Kdt hgp cua ba qua trinh: Nguyen phan, giam phan, thu tinh.
* Co che di truyen cdp qudn the:
- Dac trung di truyen qudn thd la tdn so cac alen va tdn sd cua cdc kieu gen.
* Ung dung di truydn hgc trong chgn gid'ng - Bien phap lai tao, gay dot bidn nhan tao.
- Sfl dung cdng nghe sinh hgc.
* Bidn dj gdm: Bidn dj
di truyen vt bidn dj
khdng di truyen. - Cac loai dot bidn. - Co chd phat sinh. - Y nghTa, vai trd.
Hogt dpng 2