A Plant of Genotype C/C ;D/d Is Crossed to C/c

Multiple Choice

A plant of genotype C/C ;d/d is crossed to c/c ;D/D,and the F₁ is testcrossed.If the genes in question are unlinked,the percentage of double homozygous recessive individuals in the offspring of the testcross will be:

A) less than 25%.
B) about 25%.
C) more than 25%,but less than 50%.
D) about 50%.
E) more than 50% but less than 75%.