Complete each sentence with the appropriate term or phrase. Some terms and phrases may not be used. genomic The process in which a reversible modification occurs to a imprinting nuclear gene that alters gene expression is known as 100% wild-type Monoallelic expression refers to the phenomenon where only one allele is expressed. female For the igf2 locus it is the allele from the that is not expressed in the progeny. 75% wild type and 29% dwart : If a female mouse that is homozygous for the mutant igf2 allele is mated to a male who is homozygous wild-type for igf2 then th ill b only one allele is igi then the progeny will be both alleles are