A Malayan jungle nymph exhibiting bilateral gynandromorphism - the green half of it is female, while
A Malayan jungle nymph exhibiting bilateral gynandromorphism - the green half of it is female, while the brown half is male.“The cause of this phenomenon is typically, but not always, an event in mitosis during early development. While the organism is only a few cells large, one of the dividing cells does not split its sex chromosomes typically. This leads to one of the two cells having sex chromosomes that cause male development and the other cell having chromosomes that cause female development.” -- source link
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