Your question appears to be focusing on the definition and characteristics of alleles in a biological context. Here’s a brief explanation of the terms you provided, particularly in relation to alleles:
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What alleles?: Alleles are different versions of a gene that can exist at a specific locus (position) on a chromosome. They can result in variations of traits or phenotypes in an organism. For example, a gene for flower color in a plant may have a purple allele and a white allele.
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Variations of gametes: Gametes are reproductive cells (sperm and eggs in animals) that carry alleles from each parent. During the process of meiosis, gametes undergo recombination and segregation, resulting in a variety of combinations of alleles being passed on to the offspring.
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Different chromosomes: Alleles can be found on different chromosomes, but typically, alleles for a specific gene are located at the same locus on homologous chromosomes (one inherited from each parent). An individual may inherit different alleles on these homologous chromosomes.
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Copies of DNA from each parent: Each individual has two copies of each gene (one from each parent), which may be the same (homozygous) or different (heterozygous) alleles.
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Variations of genes: This directly refers to the concept of alleles, as alleles are variations of genes that can lead to different traits in organisms.
In summary, alleles are indeed variations of genes found on chromosomes and inherited from parents, leading to genetic diversity in traits.