Chromosomal abnormalities

What are chromosomes? ,[object Object],This is a normal karyotype of human chromosomes. A karyotype is a picture of chromosomes lined up to look at and compare.

Chromosomal abnormalities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chromosomal Disorders ,[object Object],[object Object],[object Object],[object Object]

Single Chromosome Disorders ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Two Chromosome Disorders ( Both types are called “translocation”) ,[object Object],[object Object],[object Object],[object Object]

Nondisjunction ,[object Object],[object Object],[object Object],[object Object],2n n n n-1 n+1

Alteration of chromosome number

Nondisjunction ,[object Object],[object Object],[object Object],[object Object],[object Object],trisomy 2n+1 monosomy 2n-1

Human chromosome disorders ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Down syndrome ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sex chromosomes in different numbers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chromosomal abnormalities

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Chromosomal abnormalities