Women usually release one egg per month during ovulation. However there are times when two eggs are released and it is possible that both eggs could be fertilized by sperm from different male donors.
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#1 Twins Don't Have To Have The Same Father
Women usually release one egg per month during ovulation. However there are times when two eggs are released and it is possible that both eggs could be fertilized by sperm from different male donors.
#2 Twins Don't Have To Be The Same Race
If the parents of twins are different races it is possible for fraternal twins to be different races. This is extremely rare.
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#3 Offspring Of Twins
If a set of female twins has twins with a set of male twins, those two sets of offspring or legally cousins but genetically full siblings.
#4 Conjoined Twins
It's possible for conjoined twins to hear through each others ears and see through each others eyes, depending on how conjoined they are.
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#5 Twins Don't Have To Be Born At The Same Time
Health complications can cause twins to not be born at the same time. One twin can be removed before the other. The longest time between births that has been recorded is 87 days, almost 3 months.
