aneuploid: meaning, definition, pronunciation and examples
LowTechnical / Scientific
Quick answer
What does “aneuploid” mean?
Having an abnormal number of chromosomes in a cell.
Audio
Pronunciation
Definition
Meaning and Definition
Having an abnormal number of chromosomes in a cell.
A cell or organism with an incomplete or extra set of chromosomes, deviating from the normal diploid number, often associated with genetic disorders and certain cancers.
Dialectal Variation
British vs American Usage
Differences
No significant spelling, meaning, or grammatical differences.
Connotations
Identical technical connotations in both varieties.
Frequency
Used with the same low, specialised frequency in scientific contexts in both the UK and US.
Grammar
How to Use “aneuploid” in a Sentence
[to be] aneuploid[cell/organism/tumour] is aneuploiddetected as aneuploidVocabulary
Collocations
Examples
Examples of “aneuploid” in a Sentence
verb
British English
- The cell line appears to have aneuploided over several passages.
- The tumour cells began to aneuploid rapidly.
American English
- The cell line appears to have become aneuploid over several passages.
- The tumor cells began to show aneuploidy.
Usage
Meaning in Context
Academic
Common in genetics, molecular biology, and medical research papers discussing chromosomal instability, cancer biology, or prenatal diagnostics.
Everyday
Virtually never used in everyday conversation.
Technical
Core term in cytogenetics, cancer pathology, and reproductive medicine. Used in lab reports, research studies, and clinical diagnostics.
Watch out
Common Mistakes When Using “aneuploid”
- Using 'aneuploid' to describe structural chromosome abnormalities (like translocations) instead of numerical ones.
- Incorrectly capitalising the word.
- Mispronouncing it as 'an-euploid' (with a pause) instead of the correct flow 'aneuploid'.
FAQ
Frequently Asked Questions
No, not exactly. 'Aneuploid' is a specific type of genetic condition referring to an abnormal chromosome number. A 'mutant' is a broader term for any organism or cell with a change in its DNA sequence, which may or may not involve chromosome number.
Yes, though less common than its adjectival use. As a noun, it refers to a cell or organism that is aneuploid (e.g., 'The sample contained several aneuploids'). The noun form 'aneuploidy' is more frequent.
The direct opposite is 'euploid', meaning having a complete set(s) of chromosomes. In a more specific common context, 'diploid' (having two sets of chromosomes) is often treated as the normal, non-aneuploid state.
In most animals, including humans, aneuploidy is usually detrimental or lethal, causing developmental disorders like Down syndrome. However, in some contexts like certain plants or in cancer cells, it can be tolerated or even provide a selective advantage.
Having an abnormal number of chromosomes in a cell.
Aneuploid is usually technical / scientific in register.
Aneuploid: in British English it is pronounced /ˈæn.jʊ.plɔɪd/, and in American English it is pronounced /ˈæn.jʊ.plɔɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'A-NEW-PLOID' → A **new** (abnormal) number of **ploid** (as in chromosomes).
Conceptual Metaphor
CHROMOSOMES ARE A RECIPE BOOK → Aneuploidy is having missing or duplicate pages in the recipe book, leading to incorrect instructions.
Practice
Quiz
What is the primary field of use for the term 'aneuploid'?