More specifically it is not the normal development cycle. When selling turkeys, people want to know the sex of the poults as early as possible. A late bloomer does not help when you can tell them the sex of all except that one particular one.
As far as hurting the meat qualities, the one and...
Since I don't know how old it is, I cannot guess whether it is a normal or a late bloomer. To determine whether a tom will be a good representative as a breeder has to wait until the tom is fully developed so that conformation, temperament, etc. can be determined.
No, good toms mature early at the same rate the hens do. Unfortunately too many people are using late developing toms as their breeding toms causing the tendency to late development to be passed on to their offspring. If on the rare occasion that I get a late developing tom, I make sure it...
It can be harder to tell at this in between stage than as day old poults or as adults. They really won't have their full adult plumage until about 6 months and sometimes even later with late developing toms.