Geography · Ch 20 — Biodiversity and Conservation
Genetic Diversity
Genetic Diversity
Genes are the basic building blocks of all life forms. Genetic diversity is the variation of genes within a species — the raw material that makes every individual of a species slightly different from every other.
A species is a group of individual organisms that share certain similarities in their physical characteristics. Humans, for instance, all belong genetically to the species Homo sapiens. Yet no two humans are identical: people differ considerably in height, colour, physical appearance, and countless other traits. This variation within a single species is exactly what genetic diversity means. …
Genes are the basic building blocks of various life forms. Genetic biodiversity refers to the variation of genes within species. Groups of individual organisms having certain similarities in their physical characteristics are called species. Human beings genetically belong to the homo sapiens group and also differ in their characteristics such as height, colour, physical appearance, etc., considerably. This is due to genetic diversity. This …