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(1 point)
point mutation
frame shift
lethal
protein
Figure 12-1
27. What type of inheritance pattern does the trait represented by the shaded symbols in Figure 12-1 illustrate?
(1 point)
incomplete dominance
multiple alleles
codominance
sex-linked
28. In humans, red-green color blindness is _____.
(1 point)
caused by a recessive allele
equally common in both sexes
inherited in males from their fathers
produced in males by a heterozygous genotype
29. A technique that may be employed in the Human Genome Project is _____.
(1 point)
PCR
automated gene sequencers
gel electrophoresis
all of these
Figure 14-4
30. According to Figure 14-4, in how many eras have mammals existed?
(1 point)
2
4
5
7
31. A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is _____.
(1 point)
disruptive selection
convergent evolution
directional selection
divergent evolution
32. Which combination of characteristics in a population would provide the greatest potential for evolutionary change?
(1 point)
small population, few mutations
small population, many mutations
large population, few mutations
large population, many mutations
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