Labrador retrievers come in three colors determined by the allele combination for 2 different genes as shown below. An underscore () means it can be the either the dominant or recessive allele. E_B_= Black E_bb Chocolate = Yellow ee__ I EEbb TO eeBB Black Chocolate Black Eebb Yellow Yellow eebb a. Using all of the information above and in the pedigree show here, label the phenotypes for the animals in generation I. b. Using all of the information above and in the pedigree show here, label the genotypes for the animals in generations II & III. Use an underscore () where you cannot determine whet it is a dominant or recessive allele. (Hint: you can determine every allele for both animals in generation II.) c. If there were a fourth puppy in the litter from a mating between the Black and Yellow Labrador retrievers shown above, what is the probability that it would be (i) Black, (ii) Chocolate and (iii) Yellow? Please show relevant work so partial credit may be given.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Labrador retrievers come in three colors determined by the allele combination for 2 different genes as shown below. An underscore () means it can be the either the dominant or
recessive allele.
E_B_ = Black
E_bb = Chocolate
ee = Yellow
I
III
te
eeBB
EEbb
Black
Chocolate
Black
Eebb
Yellow
Yellow
eebb
a. Using all of the information above and in the pedigree show here, label the phenotypes for the animals in generation 1.
b. Using all of the information above and in the pedigree show here, label the genotypes for the animals in generations II & III. Use an underscore () where you cannot determine whether
it is a dominant or recessive allele. (Hint: you can determine every allele for both animals in generation II.)
c. If there were a fourth puppy in the litter from a mating between the Black and Yellow Labrador retrievers shown above, what is the probability that it would be (i) Black, (ii) Chocolate,
and (iii) Yellow? Please show relevant work so partial credit may be given.
Transcribed Image Text:Labrador retrievers come in three colors determined by the allele combination for 2 different genes as shown below. An underscore () means it can be the either the dominant or recessive allele. E_B_ = Black E_bb = Chocolate ee = Yellow I III te eeBB EEbb Black Chocolate Black Eebb Yellow Yellow eebb a. Using all of the information above and in the pedigree show here, label the phenotypes for the animals in generation 1. b. Using all of the information above and in the pedigree show here, label the genotypes for the animals in generations II & III. Use an underscore () where you cannot determine whether it is a dominant or recessive allele. (Hint: you can determine every allele for both animals in generation II.) c. If there were a fourth puppy in the litter from a mating between the Black and Yellow Labrador retrievers shown above, what is the probability that it would be (i) Black, (ii) Chocolate, and (iii) Yellow? Please show relevant work so partial credit may be given.
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