What are the chances of identical twins within a litter?

As with humans, identical twins (known as monozygous twins) have the same DNA and therefore share the same DNA profile.  However, the scientific literature reports that the incidence of identical twins in dog litters is rare, although the data is limited.  It is therefore very unlikely that your dog will share its DNA profile with one of its siblings.  As the number of dogs on the Forensic Dog DNA Database grows, if there are lots of examples of dogs from the same litter if should help increase our understanding of the frequency of monozygosity in dogs.

Other FAQs

How does the DNA Protected service work?

Can I take the sample myself?

Is there a lower age limit for taking a DNA swab?

Why do I need to wait for an hour?

Will DNA Protected give me an indication of my dog's breed?

Will it give me an indication of any health problems/genetic diseases?

Who holds my data/what data is held and who is it shared with?

Who holds the database, what will it be used for and who will have access to it?

Can I get a copy of my dog’s DNA profile?

What happens if I move or the ownership of the dog changes or if my dog dies?

Has the technology been used and accepted in court?

What happens if my dog is stolen or lost?

How long does testing take?

How will dogs be identified using the Forensic Dog DNA Database?

Is the DNA Protected service accredited?

What are the chances of identical twins within a litter?

What’s in the DNA Protected sampling kit?

Is there a discount for breeders or organisations with multiple dogs?

I haven’t received my report, what should I do?

Don't forget our customer services team are on hand to provide any help and assistance you might need. Please don't hesitate to call us, our friendly and experienced advisers will be pleased to answer any questions you might have about our services.