If nest-decorating with aromatic greenery has
adaptive value, then
a. “A” represents nests that are sprig-free.
b. nests in “B” had sprigs removed every seven
days.
c. the height of column “A” will not change after
the nestlings depart.
d. the height of column “B” will increase after the
nestlings depart.
e. all of these are true.
Answer: a
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The phenotypic ratio expected from a dihybrid cross involving complete dominance is
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a. True b. False