(April 2014) In law and government, de jure (/deÉª ËdÊÊrÉª/; Latin: de iure, in law) describes practices that are legally recognized by official laws. In contrast, de facto (in fact or in practice) describes situations that are generally known to exist in reality, even if not legally authorized.
Only a portion of them are chromosome abnormalities. Single gene disorders are conditions that are caused by a change in a single gene. Because there are thousands of genes, there are thousands of single gene disorders. This group of disorders cannot be diagnosed by a karyotype.
the better question is name a disease that CAN be diagnosed by karyotype. because there are very few things that can be dx'd that way. a karyotype is just a picture of the person's chromosomes -- the only valuable information that could really be gleaned from that is the number of chromosomes, and a vague idea whether those chromosomes are ...