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Blood Type Inheritance Calculator

Health & Body

Parent blood types → child blood type odds

Quick Answer

Blood Type Inheritance Calculator: Parent blood types → child blood type odds. Blood Type Inheritance Calculator uses standard health formulas to compute accurate results instantly.

Father

Mother

Possible child blood types

A、B、AB、O

A

≤ 19%

B

≤ 19%

AB

≤ 56%

O

≤ 6%

Rh factor：Child Rh− chance: up to 25%. If both parents carry recessive (+-), child has 25% chance of Rh−; otherwise Rh+

Probability by blood type

TypeA 19%19% (18.8%)TypeB 19%19% (18.8%)TypeAB 56%56% (56.3%)TypeO 6%6% (6.3%)

Punnett analysis

  1. 1Father A: possible genotypes AA / Ai; Mother B: BB / Bi
  2. 2Enumerate every (parent1 allele × parent2 allele) combination in a Punnett square
  3. 3Dominance: A and B dominate i → possible phenotypes: A, B, AB, O
  4. 4Percentages treat all genotypes as equally likely — true odds depend on actual genotype (AA vs Ai)

Transfusion compatibility

TypeCan donate toCan receive from
OA、B、AB、O（万能供血者）仅 O
AA、ABA、O
BB、ABB、O
ABAB（万能受血者）A、B、AB、O
A and B are dominant, O (i) is recessive. Percentages assume all possible genotypes are equally likely — actual odds depend on genotype (AA vs Ai). Blood type CANNOT prove paternity, only exclude it (e.g., AB×O parents cannot have an AB or O child). Rh− is the "panda blood" in China (~0.3% of Han population).

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How to Use

  1. Enter body metrics: fill height, weight, age etc. as prompted by the Blood Type Inheritance Calculator.
  2. Read value and grade: results appear instantly with an authority-based classification.
  3. Check reference tables: confirm your range and healthy targets against the tables on this page.
  4. Back-solve your goal: adjust inputs to see what it takes to reach a target.

Key Points

  • Blood Type Inheritance Calculator is a free online health tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: Parent blood types → child blood type odds.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Blood Type Inheritance Calculator formula

Blood Type Inheritance Calculator uses standard health formulas to compute accurate results instantly.

FAQ

How do I use the Blood Type Inheritance Calculator?
Open the page and fill in the input fields — results update automatically. Parent blood types → child blood type odds.
Are the results accurate?
Results follow published international standards (WHO, ACE, IOM) and are for reference only.
Can this replace medical advice?
No. Always consult a qualified healthcare professional for health decisions.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on all devices.

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Source & Updates

Based on WHO, ACE, IOM and other published international standards. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Blood Type Inheritance Calculator[EB/OL]. https://www.yijiansuan.com/en/c/health/blood-type

Results provided by this tool are for reference only and do not constitute professional advice.