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inbreeding depression

American  
[in-bree-ding-di-presh-uhn] / ˈɪnˌbri dɪŋ dɪˌprɛʃ ən /

noun

  1. Biology. the tendency of a population to become progressively less fit as a result of inbreeding.


inbreeding depression Scientific  
  1. The loss of vigor and general health that sometimes characterizes organisms that are the product of inbreeding.

  2. Compare hybrid vigor


Example Sentences

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See Examples For:

But these are likely underestimates of the effects of inbreeding because researchers didn’t collect data from the orcas’ earliest life stages, when inbreeding depression is often the strongest.

From Seattle Times ● Mar. 20, 2023

However, if a family of carriers begins to interbreed with each other, this will dramatically increase the likelihood of two carriers mating and eventually producing diseased offspring, a phenomenon known as inbreeding depression.

From Textbooks ● Jun. 9, 2022

However, the bottleneck effect occurs when inbreeding depression kills off part of a population, whereas the founder effect relies on nonrandom mating.

From Textbooks ● Jun. 9, 2022

Our results suggest that a model of genome-wide cumulative effects of many small recessive alleles affecting overall fitness and survival best explains the architecture of inbreeding depression in Eucalyptus.

From Nature ● Jun. 10, 2014

It is clonally propagated, highly heterozygous, autotetraploid, and suffers acute inbreeding depression.

From Nature ● Jul. 13, 2011

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