Blood Type Calculator
Predict your baby's possible blood type based on both parents' ABO type and Rh factor using genetic probability.
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Parent 1
Parent 2
How Blood Type Inheritance Works
Blood type is determined by the ABO gene. Each parent passes one allele (A, B, or O) to the child. A and B are co-dominant, while O is recessive. The Rh factor (positive or negative) follows a similar dominant/recessive pattern.
Features
- ABO blood type probability prediction
- Rh factor (positive/negative) probability
- Visual probability bars
- 100% client-side calculations
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Disclaimer: This tool is provided as-is for informational and educational purposes only.