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Unit 9: Meiosis Flashcards

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10421290644MeiosisCell division that results in 4 genetically different cells.0
13377511772MitosisCell division that results in 2 identical cells.1
10421290645Crossing overThe exchange of genetic material between homologous chromosomes during meiosis2
10421290648Sexual reproductionReproduction in which 2 parents contribute genes to the offspring.3
10421290649Asexual reproductionReproduction in which one parent passes all of its genes to the offspring, resulting in offspring that are genetically identical to the parent (clone)4
10421290656Homologous chromosomesPair of chromosomes that have the same size and genes, but not necessarily genetically identical. These are always present in diploid cells.5
13377525515Sister chromatidsIdentical copies of a chromosome, which exist after a cell undergoes DNA replication.6
10421290651FertilizationThe fusion of a male and female gamete, forming a zygote.7
10421290653independent assortmentWhen homologous chromosomes line up on the metaphase plate, they can pair up in any combination. This means there is a 50% chance the daughter cell will get a maternal or paternal chromosome from each homologous pair.8
13377463307HaploidContains a single set of each chromosome9
13377465550DiploidContains two sets of each chromosome10
13377472615GameteA sex cell (ex: egg, sperm)11
13377477552Somatic CellsAny cells in the body other than reproductive cells12
13387044002ChiasmataThe region where crossing over occurred on homologous chromosomes.13

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