Final answer:
In a pedigree, a female carrier of a recessive X-linked trait is represented by a circle with a small, filled-in circle inside. This symbol signifies that the female carries the trait but does not exhibit it outwardly.
Explanation:
The pedigree symbol used to represent a female carrier of a recessive X-linked trait is a circle with a small, filled-in circle inside it. This symbol indicates that the female is a carrier of the trait but does not express it phenotypically. In X-linked recessive inheritance, females need two copies of the allele to show the trait, while males need only one copy.
Learn more about pedigree symbols for X-linked traits here:
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