Cell division processes
Includes mitosis and meiosis, producing new cells.
Mitosis stages
Prophase, metaphase, anaphase, telophase.
Meiosis stages
Prophase I & II, metaphase I & II, anaphase I & II, telophase I & II.
Interphase activities
DNA replication, cell growth, protein synthesis.
Chromosome behavior
Condensation, alignment, separation during cell division.
Cytokinesis differences
Animal: cleavage furrow; Plant: cell plate formation.
Crossing-over significance
Increases genetic variation in gametes.
Haploid vs diploid
Haploid: n, single set; Diploid: 2n, pairs of chromosomes.
Slide examination techniques
Staining and microscopy to observe mitosis stages.
Model simulation of meiosis
Uses beads and magnets to demonstrate chromosome pairing and separation.
Karyokinesis — definition?
Nuclear division during cell division.
Mitosis — purpose?
To produce identical diploid daughter cells.
Meiosis — purpose?
To produce haploid gametes for reproduction.
Interphase — key activity?
DNA replication during S phase.
Chromosomes — structure?
DNA and proteins, with sister chromatids joined at centromere.
Crossing-over — occurs?
During prophase I of meiosis.
Haploid cells — example?
Sperm and egg cells.
Diploid cells — example?
Somatic (body) cells.
Slide examination — key feature?
Chromosomes stained as visible bodies in dividing cells.
Meiosis model — purpose?
To demonstrate homolog pairing, crossing-over, and reduction division.
Test your knowledge with 10 questions on Cell Division Mastery.
1. What is the correct sequence of the stages of mitosis?
2. Who is credited with describing the fundamental differences in cytokinesis between plant and animal cells?
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