Refer back to section 12.7, which describes the bottleneck effect. With this information in mind

step 1 The recovery for species such as cheetahs that are nearly extinct will be difficult because of f

Refer back to section 12.7, which describes the bottleneck...

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Key Concepts

Inbreeding Depression

A small, genetically uniform population is more likely to suffer from inbreeding, where closely related individuals mate. This can lead to inbreeding depression, a reduction in fitness due to the increased expression of deleterious recessive traits, further hindering the species’ ability to recover and thrive.

Reduced Genetic Diversity

When a population's genetic diversity is reduced because of a bottleneck, it loses many alleles that might be important for adaptation. Lower genetic variability makes the population less resilient to environmental changes and disease, which compromises its capacity for long-term survival and recovery.

Bottleneck Effect

This concept refers to a sharp reduction in the size of a population that results in a loss of genetic variation. When a population undergoes a bottleneck, only a small, potentially unrepresentative sample of individuals survive, which means the gene pool of the remaining population may not reflect the genetic diversity of the original, larger population.

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