The diagram shows genetic structures.
Which label best represents the area marked Y?
O chromosome
O protein
gene
O DNA
W
Z
MA
![The diagram shows genetic structures Which label best represents the area marked Y O chromosome O protein gene O DNA W Z MA class=](https://us-static.z-dn.net/files/d52/5595fbe6a2bd02a87de6bcbd803e5836.png)