Neena is having blood group A-ve while h...

Neena is having blood group A-ve while her husband’s blood group is O +ve. Their first child is having blood gp. A +ve. Her second child was born with severe anemia and jaundice. What could be the reason ? How this situation could have been avoided ?

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### Step-by-Step Solution: 1. **Understanding Blood Groups**: Neena has blood group A negative (A-ve), which means she lacks the Rh factor (Rh antigen). Her husband has blood group O positive (O +ve), which means he has the Rh factor. 2. **Child's Blood Group**: Their first child has blood group A positive (A +ve). This indicates that the child inherited the A antigen from Neena and the Rh factor from the father. 3. **Second Child's Condition**: The second child was born with severe anemia and jaundice. This condition is indicative of a blood incompatibility issue, specifically related to the Rh factor. ...

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A man with blood group B marries a women with blood group A and their first child ois having blood group B. What is the genotype of child

`I^(a)I^(b)`

`I^(o)I^(o)`

`I^(b)I^(o)`

`I^(b)I^(b)`

A child of blood group O cannot have parents of blood groups

AB and AB/O

A and B

B and B

O and O

A man with blood group 'O' marries a woman with blood group 'A'. The chance of their first child having blood group 'O' is

0.5

0.25

0.75