A genetic analysis published in Science found that 47% of laboratory mouse strains maintained by major research repositories don't match their documented genetic descriptions, potentially compromising the reproducibility and validity of studies using these mice. The mismatches arise from incomplete cross-breeding procedures during genetic manipulation transfers, raising concerns about how researchers interpret disease mechanisms based on flawed genetic backgrounds.
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A genetic analysis published in Science found that 47% of laboratory mouse strains maintained by major research repositories don't match their documented genetic descriptions, potentially compromising the reproducibility and validity of studies using these mice. The mismatches arise from incomplete cross-breeding procedures during genetic manipulation transfers, raising concerns about how researchers interpret disease mechanisms based on flawed genetic backgrounds.