MODULE 5: Concepts in Evolution
In Chapter 8, 11 and 12 we enter the realm of evolution, starting with the
transfer of genetic information from one organisms to their offspring, then
looking into mechanisms and details of the change in populations, and finally
touching on evolutionary relationships between organisms. Respond to the
following two prompts relating to these three chapters:
+In Chapter 8, we learn about Mendel and his experiments that led to the
Laws of Inheritance. After reading this chapter, summarize the following in your
o Difference between phenotype and genotype and how they are
o How does a heterozygous organisms differ from a homozygous
organism in terms of the alleles they contribute to the population?
o Provide your best explanation for the law of segregation in 1-2
+ Understanding evolutionary relationships is an important element to
understanding why organisms are placed in similar groups. In this step, you will
be searching for a phylogenetic tree online, and making some observations
related to the characteristics that group those organisms. You should use
Chapter 12.1 as a guide. Here are the steps to follow for this section:
• Pick a group of organisms that you would like to find a phylogenetic tree
for from the following list: Plants, animals, vertebrates or invertebrates
• In the google search bar, search for the following “plants (or whichever
you pick), phylogenetic tree).
• Click on “Images” below the Google search bar. You should see several
trees that pop up. Find one that contains some characters (physical
descriptions) so you can make some conclusions regarding the organisms.
• Provide the following in your response:
o A copy of the phylogenetic tree you found.
o Write a summary of the characters or traits that are responsible for
grouping organisms. Include an assessment of which organisms in
the group are more closely related, as well as anything interesting
or odd you found about the evolutionary relationships of the
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