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Worksheet for Labs One and Two
Evolution : Natural Selection and Morphological Change in Green Algae
Questions from Manual (each answer is worth 0.5 pts, 12 points total)
1.
a.
How many alleles are present for this particular trait?

2
b.
How many of the total beads are colored and how many are white?
100 blue, 100 white
c.
What color fur do
Bb
individuals have?
Black
d.
How many beads represent the population?
200 beads = 200 alleles
2.
a.
Consider the HardyWeinberg equations.
If the frequency of a recessive
allele is 0.3, what is the frequency of the dominant allele?
0.7
b.
If the frequency of the homozygous dominant genotype is 0.49, what is
the frequency of the dominant allele?
.51
c.
If the frequency of the homozygous recessive genotype is 0.36, what is
the frequency of the homozygous dominant allele?
.64
d
.
If the frequency of the homozygous dominant genotype is 0.49, what is
the frequency of the homozygous recessive genotype?

.51
e.
Which HardyWeinberg equation relates the frequencies of the alleles at
a particular gene locus?

P + q = 1
f.
Which HardyWeinberg equation relates the frequencies of the
genotypes for a particular gene locus?

P + q = 1
g.
Which HardyWeinberg equation relates the frequencies of the
phenotypes for a gene?

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 Spring '10
 LYDEARD
 Evolution

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