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Fragile x chromosome

Fragile x chromosome

x chromosome with a fragile site associated with a frequent form of mental retardation. The fragile x chromosome was first sighted by herbert a. Lubs in 1969. The fragile X is also called FRAXA (the second a signifies it was the first FRAgile site found on the x chromosome). It is due a trinucleotide repeat (a recurring motif of 3 bases) in the dna at that spot.


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Miscarriages???

... see conflict that you say. It says 30% of original 15%-20% demonstrate chromosome anomaly. So now we have percentage of 6% assuming original is ... to any deletion, inversion, aneuploidy, duplication, translocation, fragile site, etc.. Anyway, hope explanation helps.

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by damien james
Fri Mar 31, 2006 6:33 am
 
Forum: Human Biology
Topic: Miscarriages???
Replies: 17
Views: 2492


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