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Stages of Meiosis

Meiosis I Meiosis II (same as mitosis)
Prophase //Spindle forms Nuclear envelope disappears - Chromosomes shorten/thicken/condense - Form bivalents/tetrads - Crossing-over of homologous pairs //Spindle forms //Nuclear envelope disappears
Metaphase //Spindle complete - Bivalents at equator - Join to spindle (fibres) via centromere //Spindle complete - Chromosomes at equator
Anaphase //Cytokinesis begins Random segregation of chromatids - Chromatids are pulled to opposite poles - Centromeres divide //Cytokinesis begin Random segregation of homologues - Intact centromeres - Two chromatids on one chromosome
Telophase //Spindle disappears //Nuclear envelope reforms - 2 haploid cells - Chromosomes still duplicated //Spindle disappears //Nuclear envelope reforms - 4 haploid daughter cells

Principles of Mendelian Inheritance

Multiple Alleles

Codominance (1:2:1)

Sex Linkage

Application of Chi-Squared Test (x²) to Data Obtained