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Curious is correct! only B or O are the possible types. Rh factor will be 50% probable + and 50% probable -. Your possible ABO alleles are B/B or B/O and your wife's possible alleles are also B/B and B/O. Your possible rh alleles are +/+ and +/- ; your wife's rh alleles are -/- ! At the ABO locus,If you are both BB then 100% of your children will have B blood! If you are both BO, then 75% of your children will have B and 25% of your children will have O. If one of you has BB and the other has BO alleles at the locus, then 50% of your children would be B and 50% would be O. At the rh locus, if you are +/+ then all of your children will be rh+, if you are +/- then 50% will be rh+ and 50% will be rh-! Either way, your wife will need to receive rho-Gam near delivery to prevent fetal rh hemolytic disease of the newborn. Draw a pair of Punnett Squares for each locus to determine the frequency/percentages of each possible combination

2007-01-12 06:45:02 · answer #1 · answered by cuban friend 5 · 0 0

Curious and Cuban friend are correct. B+, B-, O+, or O- . The B blood type can be either BB or BO. B allele is dominant over O allele, so both BB or BO is considered B blood type. If you and your wife are both BO's , then you could produce an OO allele baby (type O), or a BB baby (type B) , or a BO (type B) baby. If you and your wife are both BB's then you can only produce BB blood type babies.If one of you is type BB and one is type BO, then you could only produce BB's and BO's (type B). The first person was right about the fact that your wife may need a shot to protect the baby in the womb if the baby should happen to inherit the positive RH factor, because then the mother's blood would try to fight the baby's RH factor which would be foreign to her system.

2007-01-12 16:45:28 · answer #2 · answered by Anonymous · 1 0

The child could have 4 possibilities, depending on what the recessive blood type is for each of you. Your dominant blood type is B, but it's possible that you may have a recessive blood type of O (one of your parents may have been an O). If that's the case, then it's possible to have an O child.

B+
B-
O+
O-

2007-01-12 12:16:24 · answer #3 · answered by Curious 2 · 1 0

First, you wife will have to have a shot prior to having the baby, because one of you is positive and one is negative. No biggie, it happens all the time. You child can have either B+ or B-, I believe those are the only options.

2007-01-12 12:14:37 · answer #4 · answered by Proud to be 59 7 · 0 1

B+ or B-. If the baby is B+ then there might be a problem.

2007-01-12 15:44:57 · answer #5 · answered by ♥♪♫Priya_akki™♫♪♥ 6 · 0 0

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