Final answer:
Males with a '47, XXY' karyotype have Klinefelter syndrome, which is associated with symptoms like small testes and enlarged breasts. It is different from Turner syndrome, Triplo-X, and Jacob syndrome, which have distinct chromosomal patterns and associated physical characteristics.
Step-by-step explanation:
Males that have the '47, XXY' karyotype have Klinefelter syndrome. This genetic condition is characterized by a male individual having an additional X chromosome, which typically results in small testes, enlarged breasts, reduced body hair, and often sterility, along with other possible symptoms such as developmental delays. Klinefelter syndrome may also involve more than two X chromosomes in more complex cases. Unlike Klinefelter syndrome, Turner syndrome is characterized by an XO karyotype, which affects females and includes symptoms such as short stature and webbed neck. Triplo-X, another disorder, involves females with three X chromosomes leading to developmental delays and reduced fertility, and Jacob syndrome typically refers to males with an XYY karyotype rather than XXY.