The 'cheek' is the common name for the insect GENA.
The gena is located in the head area of insects. The gena forms the sclerotized area on each side of the head, below the compound eyes, which extends to the gular structure. The gena varies among species of insects.
The two alleles for fur color in snurfles are Yellow and Green. These alleles are represented by the letters G and g. Homozygous dominant GG is yellow, as well as heterozygous Gg. But recessive gg is green. These are the two colors that can be seen in the traits of fur colors in snurfles. I hope this helps.
Thyriod gland is the right answer
