Biology II AP Core Labs

   Lab 14 - Crossing Over and Chromosome Recombination in Meiosis

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Purpose:
This laboratory allows the students to learn the different stages of cellular and nuclear replication that occur in animal cells during meiosis. Students will also be studying the crossing over and recombination of chromosomes that occurs during meiosis.

Summary:
Students manipulate chromosome models and read the introduction. Students will then use the information they have gained during the course of this exercise to answer questions.

Objectives Links:
Meiosis and Gametogenesis

Process Skills Checklist

Materials:
Per group (3-4 students):

  • 1 chromosome simulation kit (may substitute vinyl coated color paper clips for pop-it beads and use a small bar magnet inserted into narrow diameter rubber tubing for centromeres - in this way chains of paper clips can be attached to opposite ends of rubber tubing simulating a chromosome)

Safety Concerns:
No special considerations

Revision Date:
Summer 2001

ISD 30 Science Dept. Bartlesville Independent School District 30
Science Department

Biology II AP Curriculum