Can an O and A have an A- child?

Question

sorry...i put in the + signs, but they didn't come out.

the O and A are both positive. and then received an A negative child.

Answer 1

it depends on if the o is neg or pos 2 pos make a neg and 2 neg make a pos

Answer 2

yes. the o is really oo and the a is really ao so having an ao is totally posible. the - and + is the Rh factor .

Answer 3

Yes they can. Go to this site and scroll down to the bottom and it tells you the possibilities

http://www.givelife2.org/aboutblood/bloo...

Answer 4

If the O or A are - then yes...you didn't put if the O or A are - or +

Answer 5

yes...my dad is o positive my mom is a positive i am a- ..all three of my siblings are o positive,the doc explained that i got the - from my grandma..

Answer 6

http://www.biology.arizona.edu/human_bio...

go there and type in your blood types tells all possibilities