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1. Oompahs generally have blue faces which is caused by a dominant gene. The recessive
condition results in an orange face. Develop a "key" to show the genotypes and phenotypes
possible for Oompa Loompas.
2. Two heterozygous Oompahs are crossed. What proportion of the offspring will have
orange faces.
3. A blue faced Oompah (homozygous) is married to an orange faced Oompah. They have 8
children. How many children will have blue faces?
4. Otis Oompah has an orange face and is married to Ona Oompah who has aNueÿace. They
have 60 children, 31 of them have orange faces. What are the genotypes of the parents.
5. O die Oompah has a blue face. In fact, everyone in Odie's family has a blue face, and the
family boasts that it is a "pure" line. Much to his family's horror, he married Ondi Oompah
who "gasp" has an orange face. What are the gentoypes of their children. Is Odie's line still
"pure"?
6. Ona Oompah (from#4) divorces Otis and marries Otto. Otto has an orange face. What is
the probability that Ona and Otto's children will have orange faces?
7. Oompahs can have red, blue or purple hair. Purple hair results from the heterozygous
condition. Make a "key" showing the genotypes and phenotypes for hair color. Is this an
example of codominance or incomplete dominance?
8. Orville Oompah has purple hair and is married to Opal Oompah who brags that she has the
bluest hair in the valley. How many of Opal's children will be able to brag about their blue
hair also?
9. One of Opal's children is born with shocking red hair. Is Orville the father of this child
(show the square to prove your answer)? But wait, Opal swears she has been faithful and
claims that the hospital goofed and got her baby mixed with another. Is this a plausible
explanation. Show the square to prove your answer.
10. OIga Oompah has red hair and marries Oliver Oompah who has blue hair. They have 32
children. What color is their children's hair?
11. Olivia Oompah is married to Odo Oompah and they both have purple hair. What color hair
and in what proportion would you expect their children to have?
12. tn the land of Oompah, blue hair is highly valued, blue haired Oonÿpahs even get special
benefits. Oscar Oompah has purple hair but he wants to find a wife that will give him blue
haired children. What color hair should his wife have? What would be his second choice?
13. If a heterozygous blue faced, purple haired Olie Oompah were to marry a orange faced,
purple haired Olivia Oompah, what portion of their children will be orange faced with red
hair?
Oompah Loompa Genetics Answer Sheet
1. Genotypes
Phenotypes
c)
2. Oompah #1 genotype Ib t<) X Oompah #2 genotype [% ÿ____/
I
Genotypes: 1%ÿ5 L)bj
<:) <:) Ob
V, G}) 1<} ti)
J
Phenotypes: ¢ÿ) < ÿj<, OW:L Vtÿ'.
o v -7 '5 9<,, "i. z:ÿ-9ÿ,
Answer: ".b 'ÿ}0 (;wd(.Vc.iÿ<
3. Blue faced Ooÿ
:ÿ X Orange faced Oompah ÿ?ÿ'Genotypes: L[. ÿ
Phenatypes: [ 0 0 ÿ2o
Answer: i 0 (J ÿ'ÿ2
4. Otis Oompah __
5. Odie Oompah __
Answer:
6. Ona Oompah
x Otto Oompah ÿ2 b
GenoWpes:
Gÿ
Phenotypes:
Answer:
7. Genotype
G
Phenotype
2761
Codominance or qÿcomplete-dominance %
8. Orville Oompah ÿ- ÿ.ÿ x Opal Oompah
r') ÿ7
: ÿ!-I'> ÿ iÿ
Genotypes:
L ÿ') Iii:ÿ (/)
"2 v-.-,h
'-'>ÿ(.. ?.of)itJ(:"
Phenotypes:
Answer'>o c7).ÿ \0 [Asu_ ÿ(Vÿcÿt_x-
9. Opal Oompah ÿ,ÿ ÿ:ÿ
Orville Oompah ÿo'ÿL,
Opal's Child
()
10. Olga Oompah ÿL_ ÿ x Oliver Oompah (ÿ!ÿ ÿ;iÿ
Genotype: L OILÿ (!b ÿ!i
-ÿ ti:ÿ -0 ,,
i.ÿ #
Phenotype: IO0 cÿ.(.ÿ .ÿ., L.;_.<-p_()(?,
1,> ÿ°
i'.3ÿ ÿ!"
Answer: OL.ÿ)L 1!';;>'ÿ I-'-'((]'ÿ,ÿ I?L.-C-.c--{J.'ÿIA7
11. Olivia Oompah ÿ I{!ÿ X Odo Oompah 'ÿ'% ÿ,.
@/ÿ" L;s'
fS tl V, f:, i!'k
S
Phenotype: .- ,ÿ
-I
,, 1 I;,? #:.
Answer;
12. Oscar Oompah :ÿ!!;ÿ ÿ-- x First choice ÿ ÿb
13. Olie Oompah ÿ:)ÿ.ÿ iÿ? (Z.
Oscar Oompah ÿ'!) ('-]--. x Second choice O ÿ-ÿ.
Olivia Oompah
" fÿ'ÿ I"ÿ I!ÿ Ik, fÿ ÿIAÿ'ÿ,!.
Genotype:
I
'
......
Phenotype:
'
Answer:
-]l
r/
bb
i,> IL
w<-
>iÿ,