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  2. Triploid syndrome - Wikipedia

    en.wikipedia.org/wiki/Triploid_syndrome

    Triploid syndrome, also called triploidy, is a chromosomal disorder in which a fetus has three copies of every chromosome instead of the normal two. If this occurs in only some cells, it is called mosaic triploidy and is less severe. Most embryos with triploidy miscarry early in development.

  3. Trisomy - Wikipedia

    en.wikipedia.org/wiki/Trisomy

    Karyotype of a human with Trisomy 21 (Down syndrome). Trisomies can occur with any chromosome, but often result in miscarriage rather than live birth.For example, Trisomy 16 is most common in human pregnancies, occurring in more than 1%, but the only surviving embryos are those having some normal cells in addition to the trisomic cells (mosaic trisomy 16). [3]

  4. Polyploidy - Wikipedia

    en.wikipedia.org/wiki/Polyploidy

    Triploidy may be the result of either digyny (the extra haploid set is from the mother) or diandry (the extra haploid set is from the father). Diandry is mostly caused by reduplication of the paternal haploid set from a single sperm, but may also be the consequence of dispermic (two sperm) fertilization of the egg. [ 66 ]

  5. What is trisomy 18 and why is it fatal? - AOL

    www.aol.com/lifestyle/trisomy-18-why-fatal...

    Trisomy 18 is a fatal chromosomal condition that can be detected during pregnancy.It's also at the center of a new legal case in Texas, where a mom of two, Kate Cox, is seeking an abortion after ...

  6. Diploid-triploid mosaicism - Wikipedia

    en.wikipedia.org/wiki/Diploid-triploid_mosaicism

    Diploid-triploid mosaicism is a human chromosome disorder.Individuals with diploid-triploid syndrome have some cells with three copies of each chromosome for a total of 69 chromosomes (called triploid cells) and some cells with the usual 2 copies of each chromosome for a total of 46 chromosomes (called diploid cells).

  7. Living with trisomy 18: How a 6-year-old girl is beating the odds

    www.aol.com/living-trisomy-18-6-old-201618650.html

    Trisomy 18 typically results in life-threatening complications for a baby, but one little girl, Georgia, is proof of how one can live with it. Living with trisomy 18: How a 6-year-old girl is ...

  8. Ploidy - Wikipedia

    en.wikipedia.org/wiki/Ploidy

    Triploid organisms, for instance, are usually sterile. Because of this, triploidy is commonly exploited in agriculture to produce seedless fruit such as bananas and watermelons. If the fertilization of human gametes results in three sets of chromosomes, the condition is called triploid syndrome. [citation needed]

  9. Confined placental mosaicism - Wikipedia

    en.wikipedia.org/wiki/Confined_placental_mosaicism

    If a trisomic conception undergoes trisomic rescue in certain cells, including those that are destined to become the baby, then the remaining trisomy cells may be confined to the placenta. Several factors influence the pattern of normal and abnormal cells in the developing embryo. Reduced or improved replication rates of the trisomic cells ...