Service
Function and Applications
Mendel's rules at your fingertips. Groups of students work out Mendel's rules. The grains of the different crosses are counted, calculated on worksheets and compared.
Contents:
2 cobs of purebred corn,
1 cob F1 hybrid,
3 cobs each F2 3:1, backcross 1:1,
3 each dihybrid cobs purple:yellow:smooth:wrinkled 9:3:3:1 and 1:1:1:1,
15 cobs in all, photocopies, instructions
In sturdy case, 31 x 28 cm