A mating between a true breeding red,long-stamen plant with a true breeding,white,short-stamen plant yields an F?.This F? is self fertilized to produce an F? that has 300 red long-stamen plants and 100 white short-stamen plants.What can you conclude? 1.The genes are tightly linked
2)The genes are not tightly linked
3)There were no observable crossover events between the genes
A) 1
B) 2
C) 3
D) 1 and 3
E) 2 and 3

Question

Quizplus · Accepted Answer

The F2 ratio of 3:1 indicates that the genes are linked, but not tightly linked. If the genes were tightly linked, the F2 ratio would be closer to 1:1. The fact that there were no observable crossover events between the genes is not relevant to the question of whether the genes are linked.

A Mating Between a True Breeding Red,long-Stamen Plant with a True