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A-Level Biology OCR A

Genetic Bottlenecks Describe Reduce Biodiversity Individuals Survive Event

This card explains how genetic bottlenecks reduce genetic biodiversity: when only a few individuals survive an event (like disease or environmental change), the gene pool is reduced, limiting the alleles of the survivors.

Bu kart, genetik dar boğazların genetik biyoçeşitliliği nasıl azalttığını açıklar: bir olaydan (hastalık veya çevresel değişiklik gibi) yalnızca az sayıda bireyin hayatta kalması, hayatta kalanların allellerini sınırlayarak gen havuzunu azaltır.

Front Describe how genetic bottlenecks reduce genetic biodiversity.
Back Genetic bottlenecks & biodiversity:
  • Few individuals survive event or change (disease, environmental change, etc)
  • This reduces the gene pool - only alleles of surviving members available to be 

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