facultative

"Certain temperature conditions may foster all-female populations, which can be overcome through facultative parthenogenesis," he said.

Some species, termed facultative parthenogens, alternate between sexual and asexual reproduction.

On the issue of facultative reinsurance, whereby it insures bundles of risk in a job lot, Swiss Re said it expected to finalise a policy for the oil and gas sector in 2023.

The dragon’s birth, which came during a study of fertility, was said to result from a special type of parthenogenesis, called facultative parthenogenesis.

It’s known as “facultative parthenogenesis,” said scientists at the zoo, meaning “she reproduced without contribution from a male.”