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| Homologous is the term used to refer to chromosomes in which one ste comes from the male parent and one set comes from the female parent. |
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| Diploid is the term used to refer to a cell that contains two sets of homologous chromosomes. |
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| Haploid is the term used to refer to a cell that contains only a single set of genes. |
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| Meiosis is the process in 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 is a structure containing four chromatids that forms during meiosis. |
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| Crossing-over is the process in which homologous chromosomes exchange portions of their chromatids during meiosis. |
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| Zygote is a fertilized egg. |
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