Kylie Hodgson gave birth to twin daughters by caesarean section, then she realised a difference between them.

This amazing conception happened after two eggs were fertilised at the same time in the womb.

The odds against of a mixed race couple having twins of dramatically different colour are a million to one.

Skin colour is believed to be determined by up to seven different
genes working together. For a mixed-race couple, the odds of either of
these scenarios is around 100 to one. But both scenarios can occur at
the same time if the woman conceives non-identical twins, another 100
to one chance.

This involves two eggs being fertilised by two sperm at the same time, which also has odds of around 100 to one.

If a sperm containing all-white genes fuses with a similar egg and a
sperm coding for purely black skin fuses with a similar egg, two babies
of dramatically different colours will be born.

The odds of this happening are 100 x 100 x 100 - a million to one.

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