CFU 2.4 Basics of Phylogeography

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Answer the following questions based on the assignments, lecture notes, discussion, homework from the previous lesson

Name *

1. IDENTIFY which taxa has the most recent common ancestor to the leopard *

1 point

Turtle

Salamander

Tuna

Lamprey

2. IDENTIFY Which taxa is the outgroup from the house cat in the cladogram? *

1 point

Leopard

Wolf

Horse

Tortoise

3. DESCRIBE - the concept of Genetic Drift *

1 point

The passage of traits (or alleles) from one generation to the next

The dispersal of a species through continental drift

The passage of genetic mutations from one individual to another over space

The dispersal of animals from one area to another then creation of a barrier

4. EXPLAIN how the bottleneck effect represents the impact that a drastic reduction in a population can have in genetic diversity and a taxon's evolutionary path *

1 point

It can increase the likelihood that genetic diversity will be secured

It will have no impact because the number of individuals in a population does no affect genetic diversity

It may lead to the extinction of certain genetic traits (alleles) because of the random elimination of individuals

It will eliminate the "fittest" individuals leaving only weaker alleles to populate an area

5. EXPLAIN - how does a cladogram and understanding the evolution of a taxon help us understand the distribution of Species *

1 point

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