How do you think genetics can be used to describe the real world?

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Genetics are used in many aspects, such as identifying an individual and more. Genetics can also be used to find out if a couple's offspring will have offpsrings with disorders or diseases.

Explanation:

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides