overdominance
The case in which a heterozygote has a higher fitness or more extreme phenotype than…The case in which a heterozygote has a higher fitness or more extreme phenotype than either homozygote.
Meaning
2 senses(uncountable, usually)The case in which a heterozygote has a higher fitness or more extreme phenotype than either homozygote.
(uncountable, usually)Excessive dominance.
Origin
From over- + dominance.From over- + dominance.
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Forms
plural: overdominances| Singular | overdominance |
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uncountable
Word family
1 related wordsRelateddominance
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable