20 facts about gemini that will surprise you
Gemini has surprised humanity for thousands of years. Even today, when it is not unusual to have five or six children, twins still attract attention. And yet many people do not understand what it means to be a twin. We offer you some interesting facts about gemini.
1. 22% of twins are left-handed. Among the ordinary population, this indicator is noticeably lower – 10%.
2. The number of twins born depends on the place of their birth. In the 1980s, the city of Cherepovets experienced a boom in the birth of twins. In some kindergartens, special groups were even opened, in which only twins were accepted. The reasons for this phenomenon have not been found
3. There are identical (monozygotic) and fraternal (dizygotic) twins, as well as seven different subtypes, for example, different types of Siamese twins.
4. Twins are not always born on the same day.
5. Twins do not have to have the same father.
6. Identical twins have different fingerprints.
7. About 25% of identical twins are called mirror twins.
8. Identical twins have almost the same electroencephalogram.
9. In the 21st century, three times more twins are born than in the 20th. It is believed that the reason for this was the spread of the IVF procedure, during which several embryos are often planted at once.
10. Each of the twins develops their own language (manner of speaking).
11. Identical twins cannot be of different sexes.
12. When carrying twins, the gestation period is shortened. Usually its duration is 39-40 weeks, in the case of twins — 36 weeks, with triplets — 33-34 weeks, four babies are preparing for the birth of 30 weeks, five — 28-29 weeks.
13. Certain diets can increase the chance of having twins.
14.The mother is genetically predisposed to the birth of fraternal twins. The birth of identical twins is accidental.
15. Fraternal twins may have different skin color.
16. Twins may have different intrauterine age.
17. 12 kg 340 g is the largest weight of twins at birth in history.
18. Twins who were separated at birth, but then reunited, are very similar in interests and personality.
19. Scientists believe that the number of possible cases of the birth of twins is much more than the cases of their birth.
20. The number of types and genders of twins is oddly symmetrical.