It is possible that the effects of the association of the ICR and DMR regions with the CTC factors could be distance dependent. An experimental outline could be devised where the effects of the distances of these regions could be varied and the rates of transcription could be measured. Below is a graph of some possible results. Which letter represents the most likely outcome if an increase in distance between these two regions results in a diminished effect on transcription rates.
Definitions:
Induction Genes
Genes whose expression is either stimulated or repressed by external factors or signals.
Fetal Blood
The blood within a fetus, which has unique properties, such as a higher concentration of hemoglobin to efficiently capture oxygen from the placenta.
Maternal
Relating to a mother, especially during pregnancy or shortly after childbirth.
Homeotic Gene
Genes that control the development of anatomical structures in various organisms by regulating the expression of other genes.
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