In the designation B6C3F1/Crl, which segment indicates the maternal lineage?

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Multiple Choice

In the designation B6C3F1/Crl, which segment indicates the maternal lineage?

Explanation:
In mouse strain designations, the maternal lineage is shown by the dam’s strain—the first part of the cross. In B6C3F1, the first segment B6 stands for C57BL/6 and denotes the dam’s genetic background. The second segment C3 would be the sire’s strain (C3H), and F1 indicates a first-generation hybrid. The slash and Crl refer to the stock provider, not lineage. So the maternal lineage is indicated by the B6 segment.

In mouse strain designations, the maternal lineage is shown by the dam’s strain—the first part of the cross. In B6C3F1, the first segment B6 stands for C57BL/6 and denotes the dam’s genetic background. The second segment C3 would be the sire’s strain (C3H), and F1 indicates a first-generation hybrid. The slash and Crl refer to the stock provider, not lineage. So the maternal lineage is indicated by the B6 segment.

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