The blood group of Krutika is O Rh +ve. What would be the possible blo

1.	The blood group of Krutika is O Rh +ve. What would be the possible blood groups of her parents?
Answer» 1. Krutika has O blood group, therefore her genotype is I°I°. 2. Her parents can be of following combinations. 3. They may be having blood group A or B with heterozygous genotype respectively, i.e. IAI° and IBI°. If both of them are heterozygous, having either A or B blood group, Krutika can be of O type. 4. Other possibility is both the parents have to be O. 5. For being Rh positive, her at least one parent should be Rh positive. Rh negative is a recessive phenotype and hence needs double dose of these genes.

The blood group of Krutika is O Rh +ve. What would be the possible blood groups of her parents?

Answer»

1. Krutika has O blood group, therefore her genotype is I°I°.

2. Her parents can be of following combinations.

3. They may be having blood group A or B with heterozygous genotype respectively, i.e. IAI° and IBI°. If both of them are heterozygous, having either A or B blood group, Krutika can be of O type.

4. Other possibility is both the parents have to be O.

5. For being Rh positive, her at least one parent should be Rh positive. Rh negative is a recessive phenotype and hence needs double dose of these genes.

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