Explain your answer for ratin g!! In the pedigree below, folk the expression of

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In the pedigree below, folk the expression of a paternally imprinted (autosomal) gene through the three generations. NOTE: For this multipart question. you must submit ontime answers for ALL parts. in order to get ANY credit for the entire question. Part A Will the copy of the gene that originated in male I-2 be expressed or not expressed in the somatic cells of female II-2? NOTE: For this multipart question, you must submit ontime answers for ALL parts, in order to get ANY credit for the whole question. expressed not expressed [ Submit : Part B Will the copy of the gene that originated in male I-2 be expressed or not expressed in the germ cells of female II-2? NOTE: For this multipart question, you must submit ontime answers to ALL parts, in order to get ANY credit for the whole question. expressed not expressed

Explanation / Answer

Part A: The gene will be expressed since its an epigenetic process that involves DNA methylation and histone methylation without altering the genetic sequence. These epigenetic marks are established in the germline of the parents and are maintained through mitotic cell divisions in the somatic cells of an organism.

part B: The gene will not be expressed in the germ cells of female, a small number of genes are marked with their parental origin with the result that only a single parental allele is expressed.

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