G6PD Deficiency Inheritance Chart

G6PD Deficiency is inherited from one or both of your parents. It cannot be passed from one person to another in any other way. Males can either be G6PD Deficient or unaffected. Females can be G6PD Deficient, partially deficient (sometimes known as carriers) or unaffected.

The following rules determine the probability of inheritance with each pregnancy.

Father is UNAFFECTED, mother is UNAFFECTED.

• ALL of their children will be UNAFFECTED.

Father is G6PD DEFICIENT, mother is UNAFFECTED.

• All sons will be UNAFFECTED.
• All daughters will be PARTIALLY DEFICIENT.

Father is G6PD DEFICIENT, mother is PARTIALLY DEFICIENT.

• Out of two sons, one will be G6PD DEFICIENT and the other will be UNAFFECTED.
• Out of two daughters, one will be PARTIALLY DEFICIENT and the other will be G6PD DEFICIENT.

Father and mother are G6PD DEFICIENT.

• All children will be G6PD DEFICIENT.

Father is UNAFFECTED, mother is PARTIALLY DEFICIENT.

• Out of two sons, one will be G6PD DEFICIENT and the other will be UNAFFECTED.
• Out of two daughters, one will be PARTIALLY DEFICIENT, the other UNAFFECTED.

Father is UNAFFECTED, mother is G6PD DEFICIENT.

• All sons will be G6PD DEFICIENT.
• All daughters will be PARTIALLY DEFICIENT.

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