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Articles on Identical twins

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Some animals, including goats, regularly give birth to two babies at once. Image Source via Getty Images

Can animals give birth to twins?

Animals often give birth to litters of more than one offspring at a time. But are those babies twins?
Semi-identical twins share all the DNA passed on from their mother, but only a portion from their father. From shutterstock.com

Same same but different: when identical twins are non-identical

Semi-identical or sesquizygotic twins occur when two sperm fertilise one egg. A boy and a girl in Brisbane are only the second set of semi-identical twins known in the world.

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