ASU BIO 182 EXAM 2 Latest Update 2024-2025
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abiotic - CORRECT ANSWER: physical conditions
adaptive plasticity - CORRECT ANSWER: one genotype has multiple phenotypes &
environments trigger change
allopatry - CORRECT ANSWER: populations occur in different places
biological species - CORRECT ANSWER: group of potentially interbreeding species
biotic - CORRECT ANSWER: other organisms
Cladistics - CORRECT ANSWER: Grouping is based on common ancestry
Do enzymes maintain a rigid structure while catalyzing? - CORRECT ANSWER: No it is
constantly changing
Do smaller or larger populations have more chance for genetic drift? - CORRECT
ANSWER: Smaller populations
Each nucleotide represents? - CORRECT ANSWER: the state of a single trait
Environmental examples - CORRECT ANSWER: air temp
food availability
social group
, evolutionary species - CORRECT ANSWER: lineage that remains distinct throughout
space & time
Fisher's Model - CORRECT ANSWER: Assume:
Each set of parents give birth to two offspring.
A new allele (a) arises, which has no effect on fitness
(fitness of Aa = fitness of AA).
Fisher 1930,
The Genetical Theory of Natural Selection
Then:
Within each couple, there is a 25% chance the new
allele will be lost during reproduction.
homology - CORRECT ANSWER: phenotype that is similar between two species
because of common ancestry
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