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5 интересных фактов о близнецах

SOCIETY

Past.am

Знаете ли вы, что близнецы могут иметь разных отцов и даже быть представителями разных рас?

 

Представляем вашему вниманию несколько интересных фактов о близнецах:

 

  1. Близнецы могут иметь разных отцов

 

Это, конечно, крайне редкое явление, но – далеко не невозможное. Если в организме женщины одновременно созреет более одной якцеклетки и она за короткий период вступит в половую связь с двумя разными мужчинами, она может забеременеть от обоих. Вероятность зачатия таких близнецов оценивается как 1 к 400.

 

  1. Близнецы могут быть представителями разных рас

 

Если супруги – представители разных рас, у них могут родиться близнецы с разным цветом кожи. Один ребенок может унаследовать признаки отца, другой – матери.

 

  1. Близнецы могут иметь разный гестационный возраст

 

В некоторых случаях разнояйцевые близнецы могут появиться на свет в разные дни. Были даже зарегистрированы случаи, когда близняшки появлялись на свет с интервалом почти в 3 месяца.

 

  1. Даже у идентичных близнецов отпечатки пальцев разные

 

Папиллярные узоры формируются у плода еще на первом триместре беременности, вместе с тканями нервной системы. Уникальность рисунка на каждом пальце определяется не только генетикой, но и внешними факторами (положением плода в матке, скоростью роста, питанием матери и т. д). Поэтому даже у идентичных близнецов узоры на пальцах будут различаться.

 

  1. Дети однояйцевых близнецов

 

Если однояйцевые братья-близнецы решат завести детей с однояйцевыми сестрами-близнецами, у них родятся дети, которые тоже будут считаться идентичными близнецами.

 

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