15. The red color of tomato fruits and the round shape are determined by dominant autosomal genes located on the same chromosome at a distance of 18%
crossing-over. A plant with red and round fruits crossed with a plant having yellow
and oval fruits. It is known that the first plant is derived from the crossing of a plant
variety with yellow and round fruits with a plant variety with red and oval fruits.
What is the probability of offspring with yellow oval fruits?