13 Genetic variation describes the genetic differences in DNA segments of organisms within a population. Genetic variation is important becauseit enables some individuals to have traits that are favorable in a changing environment. Sexual reproduction is a method that introduces geneticvariation.A human being is a diploid organism whose somatic cells contain 46 chromosomes found in 23 homologous pairs. Sexual reproductionrequires that sex cells, or gametes, reduce their number of chromosomes in order for fertilization to occur. In humans, meiosis is the processthat forms the gametes required for reproduction. The diagram shows the process of meiosis.InterphaseInterphaseProphaseCytokinesisCrossing overLaw ofsegregationLaw ofIndependentassortmentRandomfertilizationTelophase||MutationAnaphase||MetaphaseKAIGenetic variation can be introduced during the process of meiosis in different ways as shown in the table.The exchange of genetic material between non-sisterchromatids of homologous chromosomes.MetaphaseProphaseTelophaseAlleles that are normally paired are separated, andeach gamete receives only one randomly selectedcopy of a gene.The alleles of different genes do not influence oneanother and get sorted into gametes independentlyof one another.Fertilization is a random event where any malegamete can fuse with any female gamete to forma new individual.AnaphaseIGametes receive too few or too many chromosomes.The following question has two parts. First, answer Part A. Then, answer Part B.The diagram shows four possible genetic arrangements of a cell that contains two chromosomes during metaphase.Metaphase IMetaphase IVEGeneticarrangementPart A:CAMetaphase||GametesWhat is the diagram MOST LIKELY demonstrating?C.O D.Geneticarrangement2MutationOB Crossing overRandom fertilization{*-Independent assortmentMetaphaseIIGametesGeneticarrangementGeneticarrangement Genetic variation can be introduced during the process of meiosis in different ways as shown in the table.Crossing overLaw ofsegregationLaw ofIndependentassortmentRandomfertilizationMutation5The exchange of genetic material between non-sisterchromatids of homologous chromosomes.Alleles that are normally paired are separated, andeach gamete receives only one randomly selectedcopy of a gene.The alleles of different genes do not influence oneanother and get sorted into gametes independentlyof one another.Fertilization is a random event where any malegamete can fuse with any female gamete to forma new individual.Gametes receive too few or too many chromosomes.Ⓒ2022 Illuminate Education™, Inc.Which statement BEST supports the choice made in Part A?O AThe diagram shows four daughter gametes that have exchanged genetic information between chromatids.CThe diagram shows four unique gametes that are the result of receiving one random allele from each parent.The diagram shows four unique gametes that are the result of two chromosomes separating in different ways.O D.The diagram shows four daughter gametes that incorrectly contain fewer chromosomes than the parent cells.

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ells, or gametes, reduce their number of chromosomes in order for fertilization to occur. In humans, me metes required for reproduction. The diagram shows the process of meiosis. Prophase Interphase Telophase Anaphase Interphase S Metaphase Metaphase Prophase Telophase Anaphase