Solid color!
On your Gene Expression Chart, put one check mark in the ON column for the GATA-1 gene.
Then, put three check marks in the ON column for the C/EBP⍺ gene.
On your model, draw many small dots inside your cell. These represent the granules inside the granulocytes.
Your cell is now a granuloblast. Look at the chart below to follow your path of development.
Depending on what genes you express at this point you will develop into the different granulocytes.