Overview
Genetic variation is a fundamental concept in biology that explains the differences in DNA among individuals in a population. This variation is crucial for the process of evolution, as it provides the diversity needed for natural selection to act upon. Understanding genetic variation helps us compre...
Key Terms
Example: A mutation in a gene can cause a flower to change color.
Example: The gene for flower color may have a red allele and a white allele.
Example: Pollen from one plant species can fertilize another, introducing new alleles.
Example: A natural disaster may randomly eliminate individuals, changing allele frequencies.
Example: Peppered moths became darker during the Industrial Revolution due to pollution.
Example: The height of a plant is its phenotype, influenced by genetics and soil quality.