Gene therapy to enhance gene expression: W. Aims to decrease the synthesis or activity of the target protein X. Uses ant

[answerhappygod]

Gene therapy to enhance gene expression:
W. Aims to decrease the synthesis or activity of the
target protein
X. Uses antisense DNA or RNA to decrease the abundance of
the target mRNA
Y. Has not yet been successfully used in humans
Z. Aims to increase synthesis or activity of the
target protein
a.
only W, X and Y are correct
b.
only W and Y are correct
c.
only X and Z are correct
d.
only Z is correct
e.
all are correct