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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Mountain gorillas are a highly endangered primate species, with 800 or so individuals surviving in the two remaining populations. A recent sampling of mountain gorilla genomes revealed a very low level of genetic diversity. Explain why a decline in genetic diversity often accompanies a decline in population size.

Summary Introduction

To explain: The reason behind the decline in the genetic diversity often accompanies the decline in population size.

Concept introduction: Genetic diversity is the genetic variability within the species. This covers the distinct populations of a single species. If the genetic variation is high, then there will be a chance of producing different alleles with different combinations of those genes. The collective set of these alleles forms a gene pool. Variation in the gene diversity makes the gene pool dynamic.

Explanation

Recent researchers found that mountain gorillas are highly endangered species. A recent sampling revealed that Mountain gorilla genomes have a very low level of genetic diversity. The decreased population of these species tends to have a decreased genetic diversity as it has a reduced gene pool...

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