Answer:
Step-by-step explanation:
An individual with the genotype XxYYzz has two copies of each chromosome and two alleles at each locus. Since there are three loci (X, Y, and Z), the individual has a total of 2^3=8 genotypically different types of gametes. These gametes could be represented as follows:
XYZ
XYz
XyZ
Xyz
xYZ
xYz
xyZ
xyz
Therefore, the individual could produce 8 genotypically different types of gametes.