Term
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Definition
| the division of the cytoplasm and associated parts |
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Term
the four things that happen in plant mitosis |
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Definition
dna form chromosomes nuclear membrane dissolves nucleoulous disappears |
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Term
| the two things that happen during metaphase |
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Definition
chromosomes line up at the equator spindle fiber attach to centromere of cromosomes |
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Term
| the two things that happen during anaphase |
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Definition
centromeres divide single stranded chromosomes move to opposite poles |
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Term
what 4 things happen to plant cells during telophase |
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Definition
| chromosomes uncoil, nuclear membrane begins to reappear, spindle dissolves, cytokinesis occurs with formation of cell plate |
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Term
| meosis involves ____ successive _____ divisions which produce four ______ cells |
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Definition
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Term
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Definition
| chromosomes come together to make a pair |
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Term
| cells with homologous pairs of chromosomes before meiosis are ... |
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Definition
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Term
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Definition
| cells after meiosis have only one exampele of each chromosome |
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Term
| during interphase of animal cells what happens? |
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Definition
| dna synthesis and each chromosome joins at a centromere createing two strands or chromatids |
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Term
| during prophase 1 of animal cells |
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Definition
| chromosomes pair up along length and a tetrad is formed |
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Term
| what happens through metaphe 1 of animal cells |
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Definition
| the crossed tetrads line up along equater |
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Term
| what happens during anaphase 1 of animal cells |
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Definition
| homologous chromosems seperate and pulled to oposite poles |
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Term
| what happens during telophase 1 of animal cell |
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Definition
| formation of nuclear envelope and cytokinesis |
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Term
| what happens during interphase 2 of animal cells |
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Definition
| the fromation of new nuclear envelope |
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Term
| what happens during prophase 2 of animal cell meiosis |
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Definition
| replicated centrioles seperate and move to opposite sides of the chromosome groups |
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Term
| what happens during metaphase 2 of animal cell meiosis |
|
Definition
chromoses are centered in the middle of each daughter cell |
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Term
| what happens during anaphase 2 of animal cell meiosis |
|
Definition
| daughter chromosomes pulled towared opposite sides of daughter cell |
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Term
| what happens during telophas 2 of animal cell meosis |
|
Definition
| nuclear envelope forms cytoplasm divides |
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Term
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Definition
| formation of reproductive cells called gametes |
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Term
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Definition
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Term
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Definition
| formation of ova of eggs in ovaries of females |
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Term
| what are the three obvious features of interphase in plant or animal cells |
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Definition
| nuclear membrane, nucleolus, chromatin |
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Term
the four major phases of mitosis |
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Definition
| prophase metaphase anaphase telophase |
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Term
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Definition
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Term
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Definition
| dirfferent froms of a gene that occupy the same position on homologous chromosomes are matched gene for gene |
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Term
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Definition
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Term
| plants that are heterozygous for a single trait |
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Definition
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Term
| plants that are heterozygous for two traits are called |
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Definition
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