In biology, a hermaphrodite is an organism that has complete or partial reproductive organs Sequential hermaphrodites can only change sex once. Sequential.
The chromosomes were studied in a human intersex (“true hermaphrodite”) characterized by and XX, XXY and XXYYY sex chromosomes respectively.
The skewed breeding sex ratios associated with sequential hermaphroditism have long been recognized as contributory to sexual selection.
de ASSIS L, EPPS DR, BOTTURA C. Chromosomal constitution and nuclear sex of a true hermaphrodite. Lancet. Jul 16;2()– [PubMed].