ok this is the info i have.

0 & 0 possible children 0

0 & A possible children 0 or A

0 & B possible children 0 or B

0 & AB possible children A or B

A & A possible children 0 or A

A & B possible children 0, A B or AB

A & AB possible children A,B or AB

B & B possible children 0 or B

B & AB possible children A.B.or AB

AB & AB possible children A.B.or AB.

Then there are the RH (D) GROUPS as well.

There are some rare exceptions too.

38 per cent people are 0+

32 per cent people are A+

9 per cent people are 0-

9 per cent people are B+ this is what my sister is.

6 per cent people are A-

3 per cent people are AB+

2 per cent people are B- which i am.

1 per cent people are AB-