how to repeat the same row for two genes names

#1
I have the following row
Code:
TMEM186;PMM2	cg00011459	0.92614347	0.950500413	0.941842608	0.942410506	0.948078755	0.872005565	0.934310136	0.906705645	0.948436255
I have many of these so please make your code general

I want firs to separate the gene names into two rows and repeat the same row values
so the out put should be
row 1
Code:
TMEM186  cg00011459	0.92614347	0.950500413	0.941842608	0.942410506	0.948078755	0.872005565	0.934310136	0.906705645	0.948436255
row2
Code:
PMM2  cg00011459	0.92614347	0.950500413	0.941842608	0.942410506	0.948078755	0.872005565	0.934310136	0.906705645	0.948436255