This virgin birth process is known as facultative parthenogenesis, in which embryos grow from unfertilized eggs.
The team waited for months, but none of the eggs hatched on their own, so they opened them. Six of the eggs were packed with unrecognizable content, most likely yolk, and immature cells. However, one egg yielded a completely developed fetus that died at full term.
The genetic sequencing of samples collected from the heart of the fetus and the mother's skin indicated a 99.9 percent DNA match. This also proved that the fetus lacked a father, and the offspring were produced by asexual reproduction. This type of asexual reproduction has been observed in some species of birds, snakes, lizards, sharks, and turkeys.
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