Key –Combinations and Possibilities

Teaching and teaching At-Risk teens

Combinations and Possibilities–Key–

First Possible combinations– First 1-6

1. BTC–BTc–bTC–bTc
2. BTC–BtC–bTC—-btC
3. bTc
4. BtC–btC
5. BTC–BtC–BTc–Btc 6. BTC

Punnett Square Keys:

#1 and #2 Cross Phenotypical possibilities and fractions for their offspring:
Brown eyes/Tall/Curly hair = 12/16 or 3/4
Blue eyes/Tall/Curly = 4/16 or 1/4

#3 and #4 Cross Phenotypical possibilities and fractions for their offspring:
Brown eyes/Tall/Curly = 1/2
Blue eyes/Tall/Curly = 1/2