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info@snapandsolve.comExplanation: Genes are segments of DNA located on chromosomes, which are found in the nucleus of cells. Each gene contains the instructions for the development of specific traits by coding for proteins. Chromosomes come in pairs, and humans typically have 23 pairs, with one chromosome of each pair inherited from each parent. This means that each parent contributes one allele for every gene, which can be dominant or recessive. The combination of these alleles determines the inherited traits. For example, if a trait is controlled by a dominant allele, only one copy is needed for the trait to be expressed. Conversely, a recessive trait requires two copies of the recessive allele. This genetic mechanism explains how traits are passed from parents to offspring.
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