Which sex carries gene for twins

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Heterotopic pregnancy is an exceedingly rare type of dizygotic twinning in which one twin implants in the uterus as normal and the other remains in the fallopian tube as an ectopic pregnancy. I just randomly had two eggs I suppose. The number of cells derived from each fetus can vary from one part of the body to another, and often leads to characteristic mosaicism skin coloration in human chimeras. Follow our trimester-by-trimester guide to make your nine-month journey as safe and enjoyable as possible. This means that a man with many brothers is more likely to have sons, while a man with many sisters is more likely to have daughters. Riah Apr 8 at 7: Dizygotic DZ or fraternal twins also referred to as "non-identical twins", "dissimilar twins", "biovular twins", and, informally in the case of females, "sororal twins" usually occur when two fertilized eggs are implanted in the uterus wall at the same time.
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Who carries the twin gene mom or dad

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Do twins run in families?

Finally, all the above only applies to spontaneous, or natural, births. Such women showed a much higher rate of multiple ovulation than control women did. Who carries the twin gene mom or dad?
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Which sex carries gene for twins
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