Home ยป A chromosome with a very short arm and a very long arm is termed as Chromosomal Aberrations MCQs A chromosome with a very short arm and a very long arm is termed as February 3, 2022 17 Views Q. A chromosome with a very short arm and a very long arm is termed as A. Sub-metacentric B. Telocentric C. Metacentric D. Acrocentric Answer: Acrocentric