Why seeing double is always twice the fun

As a Lincolnshire school aims for the record books with the number of twins on roll, Joanna Moorhead considers our delight at the sight of matching siblings


What makes twins so fascinating? Last week, De Aston School in Market Rasen announced it had 20 set of twins, and was applying to Guinness World Records for recognition as the most twin-heavy school in the world. The school's twins gathered for a photoshoot, and in the newspapers appeared uniformed blond twins and auburn twins, white twins and black twins, long-haired twins and short-haired twins. All absolutely ordinary-looking kids, save for the fact that there was another one just like them, right by their side.

Not all the twins at Market Rasen are identical – although there are six identical sets in year seven alone. But it's probably true to say that while all twins have a certain wow factor, it's identicals, formed when one fertilised egg splits, creating two babies who each have the same genetic make-up, that intrigue us most. The others are fraternal, or two-egg, twins, created when two ova are fertilised separately.

Maybe it's because our individual uniqueness is so much a part of being human that someone who seems to break that mould and isn't entirely unique is such a compelling idea. Maybe it's to do with the fact that human beings are physically symmetrical that draws us to a sense of "the other half". It's even possible that more of us were "meant" to be twins than actually are: apparently up to 15 per cent of conceptions produce two embryos, but only one in 10 of those lead to two live babies. In the rest, one twin is "lost" – sometimes reabsorbed into the mother's body. Some believe that people with a sense of another "self" may be a twin whose sibling was lost but deep inside knows they were originally destined to be one of a pair.

Twin births in the UK are on the up: about one in every 32 babies born are twins, compared with one in 52 babies 30 years ago. That's down to two factors: fertility treatments (two fertilised eggs are often transferred to the uterus to maximise the chance of at least one baby) and the fact that mothers are getting older. The older a woman is, the less efficient ovulation is – and the more chance she has of releasing two eggs instead of one. A woman of 20 has a 7 per cent chance of having twins; a woman of 45 has a 55 per cent chance (if she manages to conceive at all).

But that's in Britain: in Africa, the likelihood of twins is much higher at any age. Visit the sleepy farmland region of south-west Nigeria and you'll be greeted by a sign welcoming you to "Igbo-Ora, the land of twins". Here more than 6 per cent of births are twins. No one is quite sure why, though some blame it on the yams: they're the staple food, and they contain a natural hormone, phytoestrogen, that may stimulate the Yoruba women's ovaries to release more eggs.

But giving Igbo-Ora a run for is money is Candido Godoi, a village in Brazil where the rate of twin births is 10 per cent. The profusion of twins there goes back to the early 20th century, but that hasn't stemmed a rumour that the notorious Nazi doctor Josef Mengele could be behind the statistics: he is known to have fled to South America, giving rise to a story that he conducted experiments on local women.

Part of why twins fascinate is because they can do things the rest of us can't do. Some people believe they have psychic powers and can sense what's happening to the other when they're apart. Many twins have their own language when they're growing up – although according to educationalists this is based on their understanding one another's grammatical mistakes, and isn't to be encouraged. And then there's the fact that identicals can get away with things the rest of us wouldn't be able to – like murder. In February last year, eyewitnesses saw either Orlando Nembhard or his twin brother, Brandon, shoot a man outside a nightclub in Arizona. But after holding Orlando for eight months prosecutors dropped the charges, because they couldn't prove that Orlando, rather than Brandon, was the culprit. In 2009, Malaysian twins Sathis and Sabarish Raj, 27, were spared from execution for drug trafficking because it was unclear which of them was the criminal. There was DNA evidence, but of course DNA – in the case of identical twins – is identical. Fingerprints, interestingly, are not. That's because, although the shapes on the fingertips are the same, subtle differences in the babies' womb nutrition mean the gaps between the swirls in the pattern aren't the same.

Being identity tricksters has captivated Hollywood, too. The Parent Trap, which tells the story of identical twins separated at birth who swap places to try to entice their parents to get together again, was a huge hit in its original 1961 version, and another box office hit in 1998 – although in both cases the identical twins were played by one actor (Hayley Mills in the original, Lindsay Lohan in the remake). In The Shining, the Grady twins – a pair of identical young girls rumoured to be dead – make only a brief appearance, but everyone who has seen the movie knows its terror owes much to those lookalike little girls in their powder-blue dresses who haunt the corridors of the Overlook Hotel. And then there are the Weasleys – Fred and George, some of the best-loved characters in the Harry Potter lexicon, a pair of confident pranksters who always seem to have the upper hand.

In real life too, being a twin can build a mythology. Plenty of gangsters terrorised London's East End during the 1950s and '60s, but Ronnie and Reggie Kray are the ones history remembers. And part of the enduring passion of the Bee Gees was that two of the three brothers, Robin and Maurice, were twins.

Robin Gibb died earlier this year of colorectal cancer, but his ill-health began with a blocked intestine – the same condition that killed Maurice in 2003. But if that suggests twins are likely to suffer the same diseases as one another, think again. Professor Tim Spector, who founded Twins UK 20 years ago to research what twins' experience of disease could reveal, is now doing groundbreaking research to show that surprisingly few twins die of the same disease as their sibling. "What we're discovering is that, though twins share the same genes, lifestyle choice and events can switch those genes on and off, a bit like a dimmer switch on a light. That's a very empowering message for the rest of us, because it means we're not prisoners of our genes. So healthy eating and exercise, for example, can make all the difference to our lives even if we've been born into a family with a genetic tendency to, say, heart disease or obesity."

But what's it like to raise twins – to carry not one but two babies in your belly, and then to be part of a three-way bonding process? (As well as bonding with their mother, twin babies are bonding with one another – and indeed, their bond predates the one with their mother and may seem to compete with it.)

Una MacDubhghaill, 45, had twins – and then had twins again. The first set, 14-year-old Dara and Cuan are identical, while the younger pair – nine-year-old Mike and Aobh – are fraternal. (The odds of having two sets of twins are about 50,000 to one.) "I couldn't believe it when they told me we were having another set of twins," she says. "For a long time we lived in a state of total chaos: I had five children under the age of five."

These days, though, the family benefits from so many children across a tight age range – and there's no doubt, says Una, that the bonds between the twins are incredibly close. "When the older set are watching television I sometimes come into the room and their legs are wrapped round one another," she says. At times, it must be hard to remember where you end and your twin starts: after all, for an identical there was a moment in your history when you really were part of another person.

React Now

Latest stories from i100
Have you tried new the Independent Digital Edition apps?
iJobs Job Widget
iJobs General

Recruitment Genius: Sales Manager - Cyber Security

£30000 - £40000 per annum: Recruitment Genius: A Sales Manager for Cyber Secur...

Ashdown Group: Service Desk Analyst - Application Support - Central London

£30000 - £35000 per annum + Benefits: Ashdown Group: Service Desk Analyst (App...

Ampersand Consulting LLP: 3rd Line Support Engineer (Windows Server, Exchange Server)

£35000 per annum + Benefits: Ampersand Consulting LLP: 3rd Line Support Engine...

Investigo: Finance Analyst

£240 - £275 per day: Investigo: Support the global business through in-depth a...

Day In a Page

Read Next
Ice skating in George Square, Glasgow  

How many Christmas cards have you sent this year?

Simon Kelner

Al-Sweady Inquiry: An exercise in greed that blights the lives of brave soldiers

Richard Kemp
Jeb Bush vs Hillary Clinton: The power dynamics of the two first families

Jeb Bush vs Hillary Clinton

Karen Tumulty explores the power dynamics of the two first families
Stockholm is rivalling Silicon Valley with a hotbed of technology start-ups

Stockholm is rivalling Silicon Valley

The Swedish capital is home to two of the most popular video games in the world, as well as thousands of technology start-ups worth hundreds of millions of pounds – and it's all happened since 2009
Did Japanese workers really get their symbols mixed up and display Santa on a crucifix?

Crucified Santa: Urban myth refuses to die

The story goes that Japanese store workers created a life-size effigy of a smiling "Father Kurisumasu" attached to a facsimile of Our Lord's final instrument of torture
Jennifer Saunders and Kate Moss join David Walliams on set for TV adaptation of The Boy in the Dress

The Boy in the Dress: On set with the stars

Walliams' story about a boy who goes to school in a dress will be shown this Christmas
La Famille Bélier is being touted as this year's Amelie - so why are many in the deaf community outraged by it?

Deaf community outraged by La Famille Bélier

The new film tells the story of a deaf-mute farming family and is being touted as this year's Amelie
10 best high-end laptops

10 best high-end laptops

From lightweight and zippy devices to gaming beasts, we test the latest in top-spec portable computers
Michael Carberry: ‘After such a tough time, I’m not sure I will stay in the game’

Michael Carberry: ‘After such a tough time, I’m not sure I will stay in the game’

The batsman has grown disillusioned after England’s Ashes debacle and allegations linking him to the Pietersen affair
Susie Wolff: A driving force in battle for equality behind the wheel

Susie Wolff: A driving force in battle for equality behind the wheel

The Williams driver has had plenty of doubters, but hopes she will be judged by her ability in the cockpit
Adam Gemili interview: 'No abs Adam' plans to muscle in on Usain Bolt's turf

'No abs Adam' plans to muscle in on Usain Bolt's turf

After a year touched by tragedy, Adam Gemili wants to become the sixth Briton to run a sub-10sec 100m
Calls for a military mental health 'quality mark'

Homeless Veterans campaign

Expert calls for military mental health 'quality mark'
Racton Man: Analysis shows famous skeleton was a 6ft Bronze Age superman

Meet Racton Man

Analysis shows famous skeleton was a 6ft Bronze Age superman
Garden Bridge: St Paul’s adds to £175m project’s troubled waters

Garden Bridge

St Paul’s adds to £175m project’s troubled waters
Stuff your own Christmas mouse ornament: An evening class in taxidermy with a festive feel

Stuff your own Christmas mouse ornament

An evening class in taxidermy with a festive feel
Joint Enterprise: The legal doctrine which critics say has caused hundreds of miscarriages of justice

Joint Enterprise

The legal doctrine which critics say has caused hundreds of miscarriages of justice
Freud and Eros: Love, Lust and Longing at the Freud Museum: Objects of Desire

Freud and Eros

Love, Lust and Longing at the Freud Museum