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Chromosomal aberrations
Types  ,[object Object],[object Object]
 
Monosomy ,[object Object],[object Object],[object Object],[object Object],[object Object]
Trisomy  ,[object Object],[object Object]
Nondisjunction  ,[object Object],[object Object],[object Object]
Nondisjunction
Cause  ,[object Object],[object Object],[object Object],[object Object]
Polyploidy  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Triploidy
Structural abnormalities ,[object Object],[object Object],[object Object]
Structural abnormalities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Translocation  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Robertsonian translocation ,[object Object],[object Object],[object Object]
 
Deletions  ,[object Object],•  Deletions of larger portions are usually incompatible with life •  10-15% are due to balanced translocations in one parent 85-90% are true deletions
Deletions  ,[object Object],[object Object],[object Object]
Insertions  ,[object Object],[object Object]
Inversion  ,[object Object],[object Object],[object Object],[object Object]
Ring chromosomes ,[object Object],[object Object],[object Object]
Philadelphia chromosome  ,[object Object],[object Object],[object Object],[object Object]
 
Down’s syndrome ,[object Object],[object Object],[object Object],[object Object]
Clinical findings ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
 
Edward’s syndrome ,[object Object],[object Object],[object Object],[object Object],[object Object]
Patau’s syndrome ,[object Object],[object Object],[object Object],[object Object]
 
Turner’s syndrome ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Congenital malformations  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Klinefelter’s syndrome ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],small at birth,
 

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Chromosomal Aberrations