Question

what type of cross did mendel use to determine the probability of offspring when investigating two characteristics at a time? a monohybrid cross b dihybrid cross c trihybrid cross

Explanation:

A monohybrid cross involves one trait. A dihybrid cross involves two traits. A trihybrid cross involves three traits. Since the question is about two characteristics (traits), we consider the definitions of these crosses.

Answer:

B. Dihybrid cross