overdominance

noun
over·dom·i·nance | \ˌō-vər-ˈdä-mə-nən(t)s, -ˈdäm-nən(t)s\

Definition of overdominance 

: the condition wherein a heterozygote produces a phenotype more extreme or better adapted than that of the homozygote

Other Words from overdominance

overdominant \ˌō-vər-ˈdä-mə-nənt, -ˈdäm-nənt \ adjective

First Known Use of overdominance

1946, in the meaning defined above

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overdo

overdocument

overdog

overdominance

overdoor

overdose

overdraft

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The first known use of overdominance was in 1946

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overdominance

noun
over·dom·i·nance | \-ˈdäm(-ə)-nən(t)s \

Medical Definition of overdominance 

: the property of having a heterozygote that produces a phenotype more extreme or better adapted than that of the homozygote

Other Words from overdominance

overdominant \-nənt \ adjective

More from Merriam-Webster on overdominance

Britannica.com: Encyclopedia article about overdominance

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