Alternative splicing can be used to switch off a gene‚Äö√Ñ√∂‚àö√ë‚àö¬•s expression. How many ways are there to achieve it?$

Alternative splicing can be used to switch off a gene‚Äö√Ñ√�

1.	Alternative splicing can be used to switch off a gene‚Äö√Ñ√∂‚àö√ë‚àö¬•s expression. How many ways are there to achieve it?$
A.	1
B.	2
C.	3
D.	4
Answer» C. 3