Term
| How are sex cells different from body cells? |
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Definition
| Sex cells have half of the genetic information that body cells have. |
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Term
| Homologous chromosomes have the same ______ and ______ and carry the same genes. |
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Definition
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Term
| Males have a _____ and a ____ chromosome, females have two _____ chromosomes. |
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Definition
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Term
| Cells with a pair of every chromosome are called |
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Definition
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Term
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Definition
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Term
| Cells that contain half the number of chromosomes are called |
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Definition
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Term
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Definition
| In the reproductive organs of plant and animal cells |
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Term
| The type of cell division that produces sex calls is called |
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Definition
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Term
| What are the two parts of meiosis? |
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Definition
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Term
| Before meiosis 1 begins, each chromosome is ________ or ________. |
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Definition
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Term
| During meiosis 1, pairs of homologous chromosomes and sex chromosomes do what? |
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Definition
| Split apart into new cells. |
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Term
| In multicellular organisms, name the four main reasons cells divide |
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Definition
| mitosis, chromosomes, interphase, cytokenesis |
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Term
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Definition
| Deoxyribonucleic acid. Contains the information that determines inherited characteristics. |
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Term
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Definition
| A process of cell division that forms two new nuclei, each of which have the same number of chromosomes. |
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Term
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Definition
| Chromatids separate and move to opposite sides of the cell. |
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Term
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Definition
| The nuclear membrane dissolves and the chromosomes line up along the center of the cell. |
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Term
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Definition
| Before mitosis begins, chromosomes are copied. |
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Term
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Definition
| The nuclear membrane forms around the two sets of chromosomes and the chromosomes unwind. |
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Term
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Definition
| Mitosis begins. Chromosomes condense into rod like structures. |
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Term
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Definition
| In cells that lack a cell wall (plant cells), the cell inches in two. |
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