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Blood Type Calculator

Determine possible child blood types based on parents.

How to use Blood Type Calculator

1

Choose Parent 1

Choose the ABO blood type for Parent 1 from the dropdown list.

2

Choose Parent 2

Select the ABO blood type for Parent 2 from the second dropdown.

3

Determine child types

Click Determine Child Types to see a list of potential blood types.

What is Blood Type Calculator?

Navigating the complexities of genetics and blood type inheritance can be quite challenging. Our free Blood Type Calculator makes this process easier by predicting the potential blood types of a child based solely on the ABO blood types of both parents. This tool is perfect for biology students studying Punnett squares or expectant parents eager to learn about their baby's possible health profiles, delivering quick insights into genetic outcomes.

Key Features

  • 100% Browser-based
  • Privacy-focused processing
  • Fast and lightweight
  • No registration required
  • Free forever

Frequently Asked Questions

Is it possible for two Type A parents to have a child with Type O blood?

Yes, if both parents possess a recessive O allele, there's a chance their child could inherit two O alleles.

Does this calculator account for the Rh factor?

No, this tool is designed solely for the primary ABO blood group system.

Can an AB parent have a Type O child?

No, under normal genetic rules, an AB parent can only pass on A or B alleles.