Take-home quiz:

(It will not be graded but must be returned on the second day of class)

1) Name and diagram all the stages and sub-stages of meiosis for an organism with 2n=2 chromosomes.

2) The cells below were taken from the same plant. Identify the cell division and cell division stage happening in each cell. What is the diploid chromosome number of this plant?


2) Define the following terms:


crossing over


reductional division

equational division


4) How many DNA molecules are in a single chromatid?

In doubt? Read Chapter 3, Introduction to Genetic analysis, by Griffiths et al. or any Genetics
book or any other basic genetics textbook.