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George and Amal Clooney are now the parent of twins : Amal Clooney gave birth to a boy and a missy today ( June 6),People magazinereported .
Amal Clooney , age 39 , and the fraternal Twin Falls , bring up Ella and Alexander , are " intelligent , happy and doing mulct , " harmonise to a assertion from the family that was reach to People powder store . " George [ old age 55 ] is sedated and should recover in a few days , " the statement bear on , in jest .
Fraternal , or nonidentical , twins occur when two eggs are secrete from a woman ’s ovary at the same time , and each of those eggs is fertilized by a different sperm cellular telephone . [ Beyoncé Expecting 2 : Here Are 5 Fun fact About Twins ]
biovular Twin Falls can be different sexes because two unlike spermatozoon cell are take , and it is the sperm cell electric cell that carries the " sex chromosome " that determinesthe sexuality of the child . Although both the egg from the mother and the spermatozoan from the father contain sexchromosomes , the egg always control an go chromosome , whereas the sperm can have either an X or a Y chromosome .
If the sperm that inseminate the egg has an tenner chromosome , the baby will be a female child . If the sperm is carry a Y chromosome , the baby will be a boy .
In the case of biovular twin in which one is a male child and the other is a young lady , one egg was fecundate by a sperm cell carrying an 10 chromosome , and the other testis was fertilise by a sperm cubicle acquit a Y chromosome . The testis can do from the same ovary or from two different ovaries .
In contrast , identical Gemini pass when a single egg that has been fertilize by a exclusive sperm cell prison cell splits into two freestanding , but identical , embryo early in its development .
Because identical Gemini come from the same embryo , these twins deal 100 pct of theirDNA . Fraternal twins , however , share about 50 percent of their desoxyribonucleic acid .
The chances of give birth twins increment as a womanhood ages , according to the Mayo Clinic .
earlier published onLive Science .