Ключевые слова: anatomy, autosomes, background, biology, cell, chromatids, chromatin, chromosome, chromosomes, clone, cloning, concept, dna, education, evolution, fertilization, gene, genetic, genetic background, genetic modification, genome, germ cells, helix, human, karyotype, laboratory, laboratory assistant, medicine, meiosis, microscope, microscopic, mitosis, molecular, molecule, mutation, pattern, professional, reproduction, research, science, scientific, sequence, sister chromatids, spiral, structure, symbol, syndrome, technology, trisomy, under,