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.
Monocentric chromosomes are those that contain a single centromere. This type of chromosome is present in most of the organisms. The monocentric chromosomes can be called acrocentric, if the centromere is located at the end of the chromosome.hese chromosomes are made up of a single molecule of deoxyribonucleic acid (DNA) and a protein. These chromosomes are passed from the parents to their progeny and contain all the genetic material related to the particular organism. The word chromosome comes from Greek words.