Based on this information, what is Clue's phenotype for the fur texture trait?

 - soft fur
 - rough fur
Clue's genotype for the fur texture gene is FF. Clue's genotype of FF has only F allelles. The F allele is for rough fur. So, Clue's phenotype for the fur texture trait must be rough fur.
To check this answer, consider whether Clue's alleles are dominant or recessive. The allele for rough fur (F) is dominant over the allele for soft fur (f). This means F is a dominant allele, and f is a recessive allele.
Clue's genotype of FF has two dominant alleles. An organism with at least one dominant allele for a gene will have the dominant allele's version of the trait. So, Clue's phenotype for the fur texture trait must be rough fur.