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6 answers

basically means

both your parents had genes for both O+ and O-

it just happened that BOTH gave the O- gene to you and your brother

if someone has genes for O+ and O-, that person would read as O+

2006-12-25 07:04:37 · answer #1 · answered by Fabperson 3 · 0 0

all possible blood typs
a+ a- =a+
a- a- = a-
a+ a+ = a+
b+ b- = b+
b- b- =b-
b+ b+ = b+
o+ o- =o+
o+ o+ = o+
o- o- =o-
a+ b+ = ab+
a- b- = ab-
a+ b- = ab+
a- b+ = ab+
a+ o+ = a+
a- o+ = a+
a- o- =a-
b- o- = b-
b+ o- = b+
b- o+ = b+
since you get 1/2 from each pearant both pearants are o+ and o- ans you got both o-'s
it gets confusing when the a or b is resive and the o is dominat its rare but it does happen

2006-12-25 07:36:17 · answer #2 · answered by mobile auto repair (mr fix it) 7 · 0 0

Looks like natures example of perfect symetry

2006-12-25 07:27:37 · answer #3 · answered by Terel_55 2 · 0 0

two positives make a negative. Your science teacher can explain this to you.

2006-12-25 07:20:30 · answer #4 · answered by Anonymous · 0 0

sounds like you guys may have found a recessive trait in your parents genetics

2006-12-25 07:03:55 · answer #5 · answered by gunsmoke_70 3 · 0 0

what about the mailman?? ha ha ha ha

2006-12-25 07:02:42 · answer #6 · answered by Anonymous · 0 0

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