# X-Linked Inheritance Probability Calculator Compute Punnett square and affected/carrier probabilities for X-linked recessive and dominant traits. Carrier mother × unaffected father → 50% of sons affected; affected father → all daughters affected, no sons. Derived from Morgan 1910, Griffiths, Hartl & Clark 2007, StatPearls. Educational use only. > Canonical page: https://elysiatools.com/en/tools/x-linked-inheritance-probability - **Category:** Education - **Keywords:** x-linked inheritance, x-linked recessive, x-linked dominant, sex-linked inheritance, hemophilia inheritance, color blindness inheritance, carrier mother, crisscross inheritance, punnett square, inheritance probability, genetics ## Overview The X-Linked Inheritance Probability Calculator estimates affected and carrier probabilities for offspring using X-linked recessive or dominant inheritance models. Choose the inheritance mode, mother’s genotype, father’s genotype, and optional decimal precision to receive JSON results. Educational use only. ## Inputs - **Inheritance Mode** (select): Recessive (a = disease allele) or dominant (A = disease allele). - **Mother Genotype** (select): Mother's X-chromosome genotype. For recessive traits X^A X^a is an unaffected carrier; for dominant traits X^A X^a is affected. - **Father Genotype** (select): Father's X-chromosome genotype (XY). - **Decimal Places** (number) ## When to use - Estimate affected-son and affected-daughter probabilities for an X-linked recessive trait. - Check how an affected father and unaffected mother may pass on an X-linked dominant trait. - Create a clear genetics example for teaching Punnett-square and inheritance concepts. ## How it works - Select X-linked recessive or X-linked dominant inheritance. - Choose the mother’s X-chromosome genotype and the father’s genotype. - Set decimal places from 0 to 8, or use the default precision. - Run the calculator to receive JSON with affected-child probabilities and relevant carrier results. ## Use cases - Teaching X-linked inheritance, carrier status, and crisscross inheritance in genetics courses. - Explaining hemophilia or color-blindness inheritance examples with a carrier mother and unaffected father. - Comparing sex-specific outcomes for X-linked dominant inheritance when the father is affected. ## Frequently asked questions ### What inheritance modes does the calculator support? It supports X-linked recessive and X-linked dominant inheritance. ### What genotypes can I select for the mother? You can select X^A X^A, X^A X^a, or X^a X^a. ### What father genotypes are available? You can select X^A Y or X^a Y. ### What does the result include? The JSON result includes probabilities for affected sons, affected daughters, affected children, and, where applicable, carrier daughters. ### Is this calculator medical advice? 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