Meaning & use
Acrocentric
Last updated
Describing a chromosome in which the centromere is located very close to one end, giving it one very short arm and one very long arm.
See it in a sentence
Human chromosome 21 is acrocentric, with its short arm containing mostly repetitive genetic material.
Acrocentric chromosomes are prone to a type of rearrangement called Robertsonian translocation.
A note on using this word
In humans, chromosomes 13, 14, 15, 21, and 22 are all acrocentric.
Words with an opposite meaning
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