The number of sets of twins the researches studied would be dependant on the tests they were performing. Generally, researchers will gather between 5 and 10 sets of twins for research.
Yes, I have two sets of twins, and one set of triplets.
The sisters could be the result of two separate sets of identical twins who married each other and had children. This would mean that genetically, the sisters are siblings, but due to the unique combination of DNA from both sets of twins, they appear very similar in appearance and age.
Yes, there is 4 sets of identical twins in every 1000 births.
Two lots of twins are commonly referred to as two sets of twins.
2
twins
"She's expecting twins." "Pair of twins" is redundant, as twins don't come in sets of three.
If there are two twins, the answer is 2 If there are two sets of twins the aswer is 4
There are two sets. Jana and John-David and also Jerimiah and Jeddidiah
The Comedy of Errors is about two sets of identical twins. Twelfth Night is also about twins.
2