You cross a true breeding normal corn plant with a true breeding plant with variegated seed coat and colorless endosperm and subsequently perform a

You cross a true breeding normal corn plant with a true breeding plant with variegated seed coat and colorless endosperm and subsequently perform a testcross with the resulting F1s, you get the following results normal 350; variegated 63; colorless 57; variegated and colorless 330. Calculate a chi square value using an expectation of independent assortment and determine if the genes are likely to be linked or not.