Yes it is true, All cells within an organism will have the same number of chromosomes except the gamete, because A reproductive cell having the haploid number of chromosomes, especially a sperm or egg capable of fusing with a gamete of the opposite sex to produce a fertilized egg.
Explanation:
All cells at intervals an organism can have constant range of chromosomes except the reproductive cell. other than body abnormalities, all members of every species have constant range of chromosomes.
Twenty-three is that the haploid range of chromosomes in humans.
