Parent 1
ABO Blood Type
Rh Factor
Parent 2
ABO Blood Type
Rh Factor
Potential Outcomes
The Science of Blood Type Inheritance
Our Child Blood Type Calculator uses established principles of genetics to predict potential outcomes. Here’s a simple breakdown of how it works.
The ABO System
Each parent passes one of two alleles (versions of a gene) to their child. Alleles A and B are dominant, while O is recessive, determining the child's ABO blood type.
The Rh Factor
Separately, the Rh factor is determined by another gene. The positive (+) allele is dominant over the negative (-) allele, deciding if the blood type is positive or negative.
Calculating Probabilities
The calculator combines all possible allele combinations from both parents for both the ABO and Rh systems to determine the probability of each potential blood type.
Why Use Our Child Blood Type Calculator?
Scientific Accuracy
Our calculator is based on Mendelian genetics, providing scientifically sound probabilities for each possible outcome.
Instant & Clear Results
Get easy-to-understand results in seconds, showing all potential blood types and their percentage likelihood.
Educational Tool
Learn about the fundamentals of blood type genetics and see how dominant and recessive traits are passed down.
Valuable for Expecting Parents
Understand the potential for Rh incompatibility between mother and child, an important factor to discuss with your doctor during pregnancy.
Frequently Asked Questions About Blood Type
Ready to Discover the Possibilities?
Use our accurate and easy-to-use Child Blood Type Calculator to see the potential blood types your child could inherit based on genetic principles.
Go to CalculatorThis calculator is for educational purposes and is not a substitute for a medical blood test.
