Blood Type Inheritance

Predict possible child ABO blood types from parents' types, with Rh notes.

Blood Type of the Father
Blood Type of the Mother
ABO Blood type is determined by genotype:A(AA/AO)、B(BB/BO)、AB、O。This tool computes probabilities from genotype combinations.
Possible Blood Types of the Child
Possible Parental Genotypes
Note: extremely rare cases (e.g. the Bombay phenotype) may be exceptions; the Rh factor is inherited separately (Rh+ is dominant). This table covers the ABO system only.

How to use

Blood Type Inheritance is a free online tool in our unit converters collection. Predict possible child ABO blood types from parents' types, with Rh notes. Just enter or upload your content above and the result updates instantly — copy or download it in one click. No signup, no installation, and everything runs locally in your browser: your files are never uploaded to any server.

Frequently Asked Questions

How do I use Blood Type Inheritance?

Predict possible child ABO blood types from parents' types, with Rh notes.. Open the tool above, enter or upload your content, and the result appears instantly — then copy or download it. No signup required.

Is Blood Type Inheritance free?

Yes. Blood Type Inheritance is completely free with no signup, no login and no usage limit. You can use it as often as you like.

Do I need to upload my files? Is my data safe?

No upload needed. Every tool on Wevva Tools runs locally in your browser, so your files and text never leave your device — nothing is stored on our servers.

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