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10.1.U1 Chromosomes replicate in interphase before meiosis.
10.1.U2 Crossing over is the exchange of DNA material between non-sister homologous chromatids.
10.1.U3 Crossing over produces new combinations of alleles on the chromosomes of the haploid cells.
10.1.U4 Chiasmata formation between non-sister chromatids can result in an exchange of alleles.
10.1.U5 Homologous chromosomes separate in meiosis I.
10.1.U6 Sister chromatids separate in meiosis II.
10.1.U7I ndependent assortment of genes is due to the random orientation of pairs of homologous chromosomes in meiosis I.
10.1.S1 Drawing diagrams to show chiasmata formed by crossing over. [Diagrams of chiasmata should show sister chromatids still closely aligned, except at the point where crossing over occurred and a chiasma was formed.]
10.1.U2 Crossing over is the exchange of DNA material between non-sister homologous chromatids.
10.1.U3 Crossing over produces new combinations of alleles on the chromosomes of the haploid cells.
10.1.U4 Chiasmata formation between non-sister chromatids can result in an exchange of alleles.
10.1.U5 Homologous chromosomes separate in meiosis I.
10.1.U6 Sister chromatids separate in meiosis II.
10.1.U7I ndependent assortment of genes is due to the random orientation of pairs of homologous chromosomes in meiosis I.
10.1.S1 Drawing diagrams to show chiasmata formed by crossing over. [Diagrams of chiasmata should show sister chromatids still closely aligned, except at the point where crossing over occurred and a chiasma was formed.]
Bioknowledgy
Alex Lee
Extra Resources
Phases of Meiosis
Phases of Meosis by the Khan academy
Meiosis by St Olaf
Meosis by Biostudio
Random Orientation and Independent Assortment
Random Orientation by McGraw and Hill
Independent Assortment by Sumanas Inc.
Phases of Meosis by the Khan academy
Meiosis by St Olaf
Meosis by Biostudio
Random Orientation and Independent Assortment
Random Orientation by McGraw and Hill
Independent Assortment by Sumanas Inc.
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