Cell Division – Part 2
Cell Cycle Control
Cell Division and Cancer
Sex cells, or gametes, are produced by meiotic cell division which includes
nuclear division - meiosis I and meiosis II, and results in four daughter cells. Each daughter cell
contains half the number of chromosomes as the parent and each daughter cell is genetically
to watch the animated video on meiosis and answer the questions that follow.
We will do some additional exercises in the online lecture to ensure you understand this material.
You can also read pages 231-235 in your textbook to supplement the animation.
Why do gametes need to be haploid?
Textbook reference: Chapter 11
Please come to lecture prepared. We will do some in-class
activities on the material in these pre-lecture notes
Distinguish between the terms centromere, chromatid and centriole.
What is synapsis and what structure results from synapsis?
True or false, crossing over occurs between sister chromatids.
At which stage does the reductional division happen in meiosis?
Name two ways in which genetic variation is introduced in meiosis and the stage(s) in
which they occur.
In an organism whose gametes are n=17, how many unique gametes can be produced?