What is the degree of freedom in trihybrid cross would be?

In a trihybrid cross involving three traits, each with two alleles, the degree of freedom can be calculated using the formula ( \text{df} = 2^n - 1 ), where ( n ) is the number of traits. For three traits, ( n = 3 ); thus, the degree of freedom is ( 2^3 - 1 = 7 ). Therefore, the degree of freedom in a trihybrid cross is 7.