What happens if twins have a baby together

Site Navigation Video Audio Photos. The answer is quite simple. The only way we get identical offspring is when a fertilised egg splits into two cells. So if they're not identical, what would Tom and Jen's, and Tim and Jan's children look like? Professor Rodney Scott was interviewed by Wendy Zukerman. Follow us. More Ask an Expert What will happen when this huge Antarctic ice shelf cracks? How the sun messes with your TV, radio and internet twice a year The science of earthquakes explained Are your 'sea legs' in your brain or your muscles?

Lightning, tornadoes and mice: the science of bushfires Latest Ask an Expert web feed. Mummy DNA reveals surprising clues A journey of dealing with intergenerational trauma DNA confirms Aboriginal people have a long-lasting connection to country DNA reveals how pitcher plants evolved to become flesh-eaters Genetics news and features web feed. Interestingly, the occurrence of identical twins marrying identical twins may not be so uncommon.

Just recently, another set of identical twins, Krissie and Kassie Bevier, tied the knot in Michigan with two identical twin brothers, Zack and Nick Lewan, according to People magazine. Yasemin is a staff writer at Live Science, covering health, neuroscience and biology.

In an interview after their wedding, Brittany told People magazine that "when we have children, my and Josh's children will be genetic siblings to Briana and Jeremy's children.

World globe An icon of the world globe, indicating different international options. Get the Insider App. Click here to learn more. A leading-edge research firm focused on digital transformation. Monica Humphries. You can have a medication abortion up to nine weeks of pregnancy. You can have a surgical abortion from around six weeks of pregnancy onwards. Age affects the fertility of both men and women, and is the single biggest factor affecting a woman?

Androgen deficiency in women and its treatment is controversial, and more research is needed. IVF in-vitro-fertilization and ICSI intracytoplasmic sperm injection are assisted reproductive treatment ART procedures in which fertilisation of an egg occurs outside the body.

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Twins - identical and fraternal. Actions for this page Listen Print. On this page. Multiple births are more common than they were in the past, due to the advancing average age of mothers and the associated rise in assisted reproductive techniques, in particular the use of fertility drugs.