Abstract
Different strains of H-2 congenic mice have different susceptibilities to corticosteroid-induced fetal loss and cleft palate. Applying this knowledge, we tested the null hypothesis, which assumes that there are no statistically significant differences in the frequency of abnormality among various types of treated backcross offspring and, thus, no evidence of a cytoplasmic effect. In the present study this null hypothesis was frequently, but not consistently, rejected. Therefore, there was some evidence of a cytoplasmic effect. One possible explanation of these results is seen when one considers the phenotypic effects of “gene-gene interaction” between variant H-2 genotypes and an invariant mitochondrial genotype.
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Melnick, M., Marazita, M. & Jaskoll, T. Corticosteroid-induced abnormality in fetal mice and H-2 haplotype: Evidence of a cytoplasmic effect. Immunogenetics 17, 141–146 (1983). https://doi.org/10.1007/BF00364754
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DOI: https://doi.org/10.1007/BF00364754