growth/size/body
• after 13 weeks on a low fat diet, females show less weight gain (9%) than wild-type females (26%); male heterozygotes gain a comparable amount of weight as wild-type mice
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• on a high fat diet, female heterozygotes gain 43% more weight on a high fat diet compared to a 9% weight gain on a low fat diet; both heterozygous and wild-type males show more weight gain (40%) than shown when on low fat diet (~23%)
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homeostasis/metabolism
N |
• no significant differences are seen between heterozygous and wild-type mice in fasting glycemia after 13 weeks of low fat or high fat diet, or in glycemic response to intraperitoneal glucose injection
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• on a high fat diet, female heterozygotes gain 43% more weight on a high fat diet compared to a 9% weight gain on a low fat diet; both heterozygous and wild-type males show more weight gain (40%) than shown when on low fat diet (~23%)
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reproductive system
• frequency of mutant allele among surviving embryos (after implantation to weaning age) is consistently >80%, instead of the expected 66.7%
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