semidominance: meaning, definition, pronunciation and examples
Very Low (Specialist/Lexical Gap)Technical/Scientific
Quick answer
What does “semidominance” mean?
In genetics, an incomplete form of dominance where the heterozygous genotype expresses a phenotype that is intermediate between the two homozygous phenotypes.
Audio
Pronunciation
Definition
Meaning and Definition
In genetics, an incomplete form of dominance where the heterozygous genotype expresses a phenotype that is intermediate between the two homozygous phenotypes.
A state of partial control or influence in any hierarchical system; a relationship where one element exerts significant but not absolute authority.
Dialectal Variation
British vs American Usage
Differences
The core genetic meaning is identical. Potential non-technical use is so rare that no dialectal preference can be established.
Connotations
Scientifically precise in both varieties. Any non-technical use carries a formal, academic connotation.
Frequency
Exclusively found in scientific literature and advanced textbooks; not used in general discourse.
Grammar
How to Use “semidominance” in a Sentence
The [genetic trait] shows semidominance.[Subject] exhibits semidominance over [object].Semidominance of [allele/entity] results in [intermediate outcome].Vocabulary
Collocations
Examples
Examples of “semidominance” in a Sentence
adjective
British English
- The allele has a semidominant effect.
- They studied a semidominant mutation in peas.
American English
- The researchers identified a semidominant trait.
- This gene exhibits semidominant behavior.
Usage
Meaning in Context
Business
Virtually never used. A forced metaphor might describe a company with significant but not controlling market share.
Academic
Standard term in genetics and biology textbooks and papers. Understood in related fields like evolutionary psychology.
Everyday
Not used.
Technical
The primary domain. Used precisely to describe Mendelian inheritance patterns where heterozygotes are phenotypically distinct from both homozygotes.
Vocabulary
Synonyms of “semidominance”
Strong
Neutral
Weak
Vocabulary
Antonyms of “semidominance”
Watch out
Common Mistakes When Using “semidominance”
- Confusing with 'codominance'.
- Using as a general synonym for 'partial influence'.
- Mis-spelling as 'semi-dominance' (though the hyphenated form is also occasionally seen).
FAQ
Frequently Asked Questions
Yes, in genetics, 'semidominance' is a synonym for 'incomplete dominance'. The latter is more commonly used in modern textbooks.
No, it is a highly technical term. Using it in general conversation would likely cause confusion or seem overly academic.
In semidominance/incomplete dominance, the heterozygous phenotype is a blended intermediate (e.g., red + white = pink). In codominance, both alleles are fully and separately expressed (e.g., red + white = red and white spots).
No, 'semidominate' is not a standard English verb. The concept is expressed using the noun or adjective forms (e.g., 'show semidominance', 'is semidominant').
In genetics, an incomplete form of dominance where the heterozygous genotype expresses a phenotype that is intermediate between the two homozygous phenotypes.
Semidominance is usually technical/scientific in register.
Semidominance: in British English it is pronounced /ˌsɛmɪˈdɒmɪnəns/, and in American English it is pronounced /ˌsɛmiˈdɑːmɪnəns/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think 'SEMI-truck' – it's big and powerful but doesn't fully DOMINATE the entire road. In genetics, the trait is only half-way dominant.
Conceptual Metaphor
A TUG OF WAR WHERE NEITHER SIDE WINS COMPLETELY. / A MIXTURE THAT IS NOT A BLEND BUT A MIDPOINT.
Practice
Quiz
What is the primary field of study for the term 'semidominance'?