Respuesta :
A gene can have many variants, which produce physical differences in individuals.
What are many variants of genes?
Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell gets ready to divide (known as genetic recombination). Genetic variations that alter gene activity or protein function can introduce different traits in an organism these are differences between individuals inherited from parents, such as the color of your eyes, hair, and skin. Environmental variation - these are differences between individuals that are not inherited but caused by the environment that the organism lives in, including scars and tattoos. Genetic diversity has three different sources: mutation, recombination, and immigration of genes. Alleles are essential because they account for the differences in inherited characteristics from one individual to another. There are a total of 324 million known variants in human genomes
so we can conclude that physical differences in individuals are produced from the presence of many variants of gene.
Learn more about it genes here: https://brainly.com/question/1480756
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