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63
Problems
the same time, calculate the probability of the
following outcomes:
a.
6(R) 6(G) 6(B)
b.
6(R) 5(G) 6(B)
c.
6(R) 5(G) 4(B)
d.
No sixes at all
e.
2 sixes and 1 Fve on any dice
f.
3 sixes or 3 Fves
g.
The same number on all dice
h.
A different number on all dice
6.
In the accompanying pedigree, the black symbols
represent individuals with a very rare blood disease.
2. Can parts of the problem be restated by using
Punnett squares?
3. Can parts of the problem be restated by using
branch diagrams?
4. In the pedigree, identify a mating that illustrates
Mendel’s Frst law.
5. DeFne all the scientiFc terms in the problem, and
look up any other terms that you are uncertain about.
6. What assumptions need to be made in answering
this problem?
7. Which unmentioned family members must be
considered? Why?
8. What statistical rules might be relevant, and in what
situations can they be applied? Do such situations exist
in this problem?
9. What are two generalities about autosomal recessive
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 Spring '08
 JOHNSON
 Biology, Punnett Squares

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