Science Quiz / Gen Bio Exam 2 (Part 1)

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Can you name the Gen Bio Exam 2 (Part 1)

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Said that 1-4% of genome of Europeans and Asians is derived from Neanderthals; rejects no hybridization part of out of africa
artificial group that includes one common ancestor and all of its descendants
increases diversity by favoring both extremes against the average
one common ancestor and all if its decedents. They all share the same synapomorphy
form tips of tree
ends with a taxon
An ancestral trait that is shared by all taxa on the tree
unbranched speciation
maintains diversity by not favoring any single phenotype
logistic growth
represents a point in time when an ancestral species split into two or more descendent species
A derived trait that is shared by several closely related taxa and unite them into a monophyletic group
Progmatism, forum magnum, braincase size, and canine diasthema are characters that differ between ________________.
decreases diversity by favoring average phenotype over extremes
Humans originated in Africa and emigrated to other parts of the world; humans did not hybridize with any other genus besides homo
bounded by two nodes; represents a pop. through time
branched speciation
HintAnswer
set of taxa of interest
decreases diversity by favoring one extreme phenotype
Designed phylogenetic trees based on DNA sequences from diverse populations living today; provided support for out of africa
node with greater than 2 branches
artificial group that includes several ancestors but not all of their descendants
Closest relatives
exponential growth
modified form of ancestral trait, found in descendent
Evolutionary history of a group of organisms
most basal branch and implies the tree continues below
low survivorship
steady survivorship
high survivorship
Draw all possible tree topologies, unite taxa based on synapomorphies, use parsimony to find the best tree, and make a character matrix
characteristic that existed in an ancestor
Derived trait that is only present in one taxon, does not help unite other taxon

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