Can 2 parents with o positive blood have a baby with o negative?
Question:
Answers:
Yes they can. The Rh factor (either positive or negative) is a genetic trait. Rh positive is the dominant trait, and Rh negative is the recessive trait. If both parents have Rh postive blood, and they are both carriers of the recessive Rh negative trait, then their child could have an Rh negative blood type.
Yes- if both parents are O positive, their offspring can either be O pos or O neg. You can use a typing calculator here
http://www.biology.arizona.edu/human_bio...
Yes. The negative factor is recessive.
It can be hidden. The same for the back-door-man.
Yes. Rh- is a recessive trait.
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