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Chemistry
Term | Definition |
---|---|
Mitosis | -----Process by which the hereditary material in the parent CELL replicates and divides into two (2) IDENTICAL daughter nuclei (cells). |
Diploid (number) | the total number of chromosomes in normal body cells; two matching homologs of each kind |
Chromosome(s) | a threadlike body in the cell nucleus that carries the genes in a linear order |
Interphase | Interphase ‘RESTING PHASE’ which occurs between mitotic cycles. The cell grows and replicates here. |
Crossing over | the interchange of sections between pairing homologous chromosomes during the prophase of meiosis |
Anaphase | chromosomes move to OPPOSITE poles |
Haploid/Monoploid | hapliod (of a cell or nucleus) having a single set of unpaired chromosomes. monoploid having the basic or haploid number of chromosomes. |
Daughter nuclei | daughter nuclei The nuclei that result from the division of a single nucleus. |
Tetrad | A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids. |
Gametogenesis | Gametogenesis( production of the games) |
Meiosis | (genetics) cell division that produces reproductive cells in sexually reproducing organisms |
Metaphase | the second stage of mitosis |
Cytokinesis | ----The cell membrane pinches in and the CYTOPLASM divides into two (2). |
Disjunction | disjunction happens when homologous chromosomes move apart toward the opposite poles of the cell in anaphase I. |
Variation | Variation happen during Crossing over in prophase I |
Replication | The process when the DNA makes a copy of itself before cell division |
Synapsis | the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis |
Prophase | Prophase first phase, double chromosomes are VISIBLE |
Centrioles | one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope |