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Home Q & A Board Biology-Related Homework Help Cell Biology
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NAZ NAZ
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12 years ago
A mother is pregnant for a third time and there is some concern over the safety of the fetus. The records of the Rh factors of the family have been lost. Blood samples are taken from each child and from the mother.This is the result

Mother: Rh antigens present: No Rh  ,    Rh Type: Rh-   
Child 1: Rh antigens present: No Rh  ,    Rh Type: Rh-
Child 2: Rh antigens present: Rh       ,   Rh Type: Rh+
Child 3: Rh antigens present: Rh      ,    Rh Type: Rh+

1)Based on the results obtained explain the presence or absence of Rh antibodies in the mother prior to each pregnancy
2)Explain why Rh+ blood can be given only once to a non-sensitized person who is Rh-?
3)Is the mother right to be concerned about her third pregnancy? Explain.
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haiderfamilyhaiderfamily
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12 years ago
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