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Objectives:
1) To analyze a monohybrid cross for kernal
color on corn.
2) To complete a human karyotype in a computer
simulation and a cut and paste.
Group based learning, no notes.
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I. Terms to identify for corn genetics:
homozygous heterozygous hemizygoud dominant recessive codominant incomplete dominance phenotype genotype monohybrid cross dihybrid cross |
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Expected Ratios for a monohybrid cross:
1:2:1 Genotypic ratio 3:1 Phenotypic ratio |
Mitosis
Terms to Identify for Mitosis: Diploid (2N) Interphase - G1 - S - G2 - G0 - Prophase - Metaphase - Anaphase - Telophase - |
For the stages:
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Meiosis:
| For Meiosis, be able to define:
Meiosis I Meiosis II Homologous Pairs Synapsis Crossing Over Reduction Division Nondisjunction Events |
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Karyotype Features:
-- size of chromosomes
-- length of arms
-- banding pattern
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Assignments:
Cut and Paste Karyotping in Lab Manual
Computer Karyotyping Exercise
http://www.biology.arizona.edu/human_bio/activities/karyotyping/karyotyping.html
http://www.biology.arizona.edu/human_bio/current/new_karyotyping/new_karyotyping.html
Mitosis Exercise
http://www.biology.arizona.edu/cell_bio/activities/cell_cycle/cell_cycle.html
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