Download CHAPTER 10: Chromosomes, Mitosis, and Meiosis

CHAPTER 10: Chromosomes, Mitosis, and Meiosis
Student Notes
Definitions and Questions:
The proteins that help to package chromosomes are known as __________________, and the proteins
that hold large loops of chromatin are called _____________________________.
What is a karyotype?
What are the 2 major phases of a eukaryotic cell’s life?
Name the 3 phases within interphase, and describe important events that happen during each phase:
1.
2.
3.
The phase describing arrested development is known as ____.
What is mitosis?
Why is it necessary to duplicate the cell’s DNA prior to mitosis?
Name the 4 major phases of mitosis, and describe important events that happen during each phase:
1.
2.
3.
4.
What structures attach the sister chromatids to each other?
The mitotic spindle connects to the chromatid via the _______________________________.
Cytokinesis in an animal cell occurs via the formation of a ____________________________, and in a
plant cell via the formation of a _____________________.
When do the 3 cell-cycle checkpoints occur?
A sex cell is known as a _____________________, and is haploid/diploid.
Meiosis consists of what 9 major steps?
1.
2.
3.
4.
5.
6.
7.
8.
9.
What is a tetrad?
What important event occurs during Prophase I? Where (on the tetrad) does this event occur? Why is
this significant?
What step is “missing” from interkinesis?
Chapter 10 Goals:
1. Describe how chromosomes are packaged for cell division.
2. List the phases of a cell’s life and describe what happens during each stage.
3. Familiarity with the phases of mitosis and meiosis and important events during each stage.