Angioedema is caused by an allergic reaction to something you've eaten, an insect bite, pollen allergies, or a medication you've taken. 1  It causes a swelling of the lips, face, and tongue, which usually occurs rapidly. It can also sometimes be accompanied by redness or bumps (hives). Due to the swelling, you may have difficulty talking. Angioedema can also cause swelling of the airway and difficulty breathing, which may be life-threatening.
holocentric chromosome. (genetics). A chromosome with centromer; activity/spread along its entire length.1  Facebook.olocentric chromosome. (genetics). A chromosome with centromer; activity/spread along its entire length. 1  Facebook.
Summary. A chromosome is a single molecule of DNA, which represents a specific subset of information in the genome. A diploid organism has two copies of each chromosome, which are called homologous chromosomes or homologs.Chromatids refer to the copies of chromosomes produced during replication.ummary. A chromosome is a single molecule of DNA, which represents a specific subset of information in the genome. A diploid organism has two copies of each chromosome, which are called homologous chromosomes or homologs.