(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.
What a Karyotype Tells You. A karyotype can tell how many chromosomes a person has, as well as detect any errors those chromosomes may have. Normally, a person has 46 chromosomes or 23 pairs. Based on your karyotype, cytogeneticists (people who study chromosomes) can also determine your gender.