The image of an individual's complement of
chromosomes arranged by size, length, shape,
and centromere location is called a
a. autotype.
b. genotype.
c. phenotype.
d. karyotype.
e. chromotype
D
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Mad cow disease is caused by an infectious protein, also known as a(n)
a. endospore. b. rickettsia. c. virion. d. prion. e. viroid.
The notochord in embryos serves a similar function to the what in adults?
An enzyme that starts the Calvin cycle reactions by catalyzing attachment of the carbon atom from CO2 to RuBP.
What will be an ideal response?
In each fly species, the entire body segment that gave rise to the original flight wings is missing. The mutation(s) that led to the flightless condition probably affected the ________ genes, making the initial mutants examples of ________.
A) thorax; complete metamorphosis B) exoskeleton; exaptations C) Hox; complete metamorphosis D) thorax; exaptations E) Hox; adaptive radiants