Question

In the endangered Mediterranean thingamabob, the offspring of a true-breeding brown parent and a true- breeding white parent are all tan. When the tan offspring are crossed among themselves, their offspring occur in a ratio of 1 brown : 2 tan : 1 white. Upon close examination of the coats, the hairs of a tan animal are individually brown and white. What is the mode of inheritance?

Answer 1

one gene pair with incomplete dominance two gene pairs with epistasis one gene pair with codominance one gene pair with white dominant to brown one gene pair with brown dominant to white