試題詳解

7. A researcher is using adult stem cells and comparing them to other adult cells from the same tissue. Which of the following is a likely finding?
(A) The two kinds of cells have virtually identical gene expression patterns in microarrays.
(B) The non-stem cells have fewer repressed genes.
(C) The non-stem cells have lost the promoters for more genes.
(D) The cells from the two sources exhibit different patterns of DNA methylation.
(E) Adult stem cells have more DNA nucleotides than their counterparts.