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17 Cards in this Set
- Front
- Back
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Homologous =
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Term used to refer to chromosomes that each have a corresponding chromosome -from the opposite-sex parent
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Diploid =
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A cell that contains both sets of homologous chromosomes
2n |
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Haploid =
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A cell that contains only a single set of chromosomes and therefore only a single set of genes
1n |
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Meiosis =
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Process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
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tetrad =
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Structure containing 4 chromatids that forms during meiosis
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Crossing Over =
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Process in which homologous chromosomes exchange portions of their chromatids during meiosis
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Human cells have how many chromosomes?
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46 chromosomes in 23 pairs
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Gamates =
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Fancy word for egg and sperm
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Are body cells 1n or 2n?
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2n
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Meiosis =
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Process to turn body cells (in ovaries and testes) into egg and sperm
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Meiosis =
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Double division of a cell
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Fertilization =
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When sperm nucleus meets egg nucleus, thus have 2n again
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Zygote =
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Fertilized Egg
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Homologous Pairs
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Two pairs of sister chromatids – during prophase
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Is an egg or sperm 1n or 2n?
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1n
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Is a fertilized egg 1n or 2n?
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2n
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Is a zygote 1n or 2n?
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2n
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