Prep – Lecture 1Chlamydomonas
1. Identify criteria used to measure complexity.
Genome size or the total number of genes in an organism.
Gene (copy) number or the number of copies of a gene in a given gene family resulting
from gene duplication
Increase in the size of organisms over the course of evolution
The number of genes that encode proteins
The number of parts or units in an organism (where parts might be segments, organs,
tissues and so forth)
The number of cell types possesses by an organism
Increased compartmentalization, specialization, or subdivision of function over the
course of evolution
The number of gene, gene networks or cell-to-cell interactions required to form the
parts of an organism
The number of interactions between the parts of an organism, reflecting increasing
functional complexity and/or integration over the course of evolution
The most commonly used metric of complexity is the number of different types of cells
possessed by an organism
2. Identify the main structural components of Chlamydomonas cells.
Organelle type Function
Nucleus Contains the