Which of the following statements describes genomic imprinting?
A)It explains cases in which the gender of the parent from whom an allele is inherited affects the expression of that allele.
B)It is greatest in females because of the larger maternal contribution of cytoplasm.
C)It may explain the transmission of Duchenne muscular dystrophy.
D)It involves an irreversible alteration in the DNA sequence of imprinted genes.

Question

Quizplus · Accepted Answer

Genomic imprinting is a phenomenon where the expression of an allele depends on the gender of the parent from whom it is inherited. This occurs due to epigenetic modifications, such as DNA methylation, that stably alter the expression of specific genes in the male or female germ cells.

Which of the Following Statements Describes Genomic Imprinting