UIcon name="i-lucide-heart-pulse" class="w-8 h-8 text-primary-500" /> Blood Type Inheritance

Predict children's possible blood types from parents' blood types.

Blood Type Calculator

Child's Possible Blood Types

A
O

Child's Impossible Blood Types

B
AB

Reverse: Find Parents

Given child's blood type, find possible parent blood type combinations.

A × A
A × B
A × AB
A × O
B × A
B × AB
AB × A
AB × B
AB × AB
AB × O
O × A
O × AB

Blood Type Inheritance Table

FatherMotherChild PossibleChild Impossible
AAA、OB、AB
ABA、B、AB、ONone
AABA、B、ABO
AOA、OB、AB
BBB、OA、AB
BABA、B、ABO
BOB、OA、AB
ABABA、B、ABO
ABOA、BAB、O
OOOA、B、AB

Usage Instructions

Features

Predicts children's possible blood types from parents' types, and supports reverse lookup.

Steps

Select parents' blood types to see child's possible types; or select child's type to reverse-look-up parents.

Notes

Based on ABO system inheritance rules; rare blood group systems not included; actual types verified by lab test.