Practice question
Question
A female mouse, homozygous for 'a' allele of the Igf2 gene, is crossed to a male which is homozygous for 'b' allele of this gene. Which of the following statement best describes the most appropriate outcome regarding the expression of Igf2 in the F1 progeny?
Explanation
Analysis of a female mouse, homozygous for 'a' allele shows Igf2 locus is maternally imprinted, hence allele 'b' will be represents established outcome. functional assays supports option A, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.
Discussion
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