F2 tao 16 to hop giao tu nen F1 tao 4 loai giao tu.
Tinh trang qua do luon di voi dai,vang luon di voi ngan nen Rr lien ket hoan toan voi Ll.Vi tao 4 loai giao tu nen F1 co 2 TH:
1.3 cap gen nam tren 2 cap NST tuong dong
2.Nam tren 1 cap NST(HRL/hrl)
Cau1:Mot phu nu lon tuoi nen da xay ra su khong tach o cap NST gioi tinh trong giam phan I.Doi con cua ho co the co bao nhieu phan tram song sot bi dot bien the ba(2n+1)
A.75
B.66,6
C.33,3
D.25
Cau 2:Tinh xac suat de bo co nhom mau A va me co nhom mau B sinh con gai co nhom mau AB??
A.50
B.12,5...
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