Meiosis and Mitosis 5.0 / 5 based on 1 rating ? BiologyCellular processesDNA, genetics and evolutionASOCR Created by: kikaritaeCreated on: 15-04-18 01:21 42986731015 Across 1. proteins that form a complex with DNA called chromatin. (8) 5. growth period of the cell cycle, between cell divisions (mitotic phase). Consists of stages G1, S and G2. (10) 6. half the normal chromosome number; one chromosome of each type. (7) 7. third stage of mitosis when chromatids are separated to opposite poles of the cell. (8) 9. first stage of mitosis when chromatin condenses to form visible chromosomes and the nuclear envelope breaks down. (8) Down 2. two identical copies of DNA (a chromosome) held together at a centromere. (10) 3. nuclear division stage in the mitotic phase of the cell cycle. (7) 4. uncondensed DNA in a complex with histones. (9) 8. sections of DNA, which became entangled during crossing over, break and rejoin during anaphase 1 of meiosis sometimes resulting in an exchange of DNA between bivalent chromosomes, forming recombinant chromatids and providing genetic variation. (9) 10. form of cell division where the nucleus divides twice (meiosis I and meiosis II) resulting in a halving of the chromosome number and producing four haploid cells from one diploid cell. (7)
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