While some females would argue this has long been the case, British fertility researchers are on track to proving it, having created sperm using stem cells from an embryo.
Scientists at the Northeast England Stem Cell Institute say that with some minor adjustments, the technique could theoretically be used to fertilise an egg to create a child - taking real men out of the equation.
Video: Scientists claim to create human sperm
Is artificially-produced sperm a step too far for science? Here is the latest selection of Your Views:
Is artificially-produced sperm a step too far for science?
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