While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain ...
Certain wingless, sticklike insects that hide in bushes and trees across central California have no need for males: these insects in the Timema genus are nearly all female and reproduce without sex by ...
Traits are often lost during evolution, either because they are no longer beneficial or because they are too costly to maintain. When this happens, it is generally believed that the genes underlying ...
Among animals where sexual reproduction is common, there are quite a few species that reproduce only with females. In such species, females give birth to female offspring (this is called ...
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Male stick insect hatches from all-female colony at Science World in 'extremely rare' event
It’s a boy! Science World staffers were in disbelief after a male stick insect was born into an all-female colony in what is being described as an “extremely rare” event. Science World’s stick insect ...
Traits are often lost during evolution, either because they are no longer beneficial or because they are too costly to maintain. When this happens, it is generally believed that the genes underlying ...
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