(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.
Sources: Biology Student. Depending on the type of karyotype, you can tell what type of organism it is, if it has 23 pairs then you would know it is a human because humans have 46 chromosomes, one half from your mom and one half from your dad, making 23 pairs.