3. Given the information above, and assuming dragons are diploid organisms with one pair of non-homologous, sex-determining chromosomes (Smaug is referred to as male multiple times in The Hobbit, so we will assume Smaug is hemizygous for X-linked traits), What is Smaug's genotype for the three traits (Scale color, Wing type, Fire breath)? For this assignment, you may assume Smaug is homozygous for fire breath. A: R¹R¹ X¹Y FF B: R¹R² X¹X¹ Ff C: R²R¹ XİY Ff D: R¹R² X¹Y FF E: R¹R¹ X¹X¹ ff

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Chapter4: Pedigree Analysis In Human Genetics
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Problem 14QP: Analysis of Autosomal Recessive and Dominant Traits Huntington disease is a rare, fatal disease that...
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Smaug (The Chiefest and
Greatest of Calamities, The
Unassessably Wealthy, The
Stupendous, etc.), is the dragon
who lords over the Lonely
Mountain in J.R.R. Tolkien's The
Hobbit. He is described with the
following phenotypes:
Reddish-golden scales
Batlike wings
Fire breathing
Let's assume the following inheritance models are true for the dragon phenotypes
observed:
Phenotype
Scale Color
Wing Shape
Fire Breathing
Alleles
R¹ (Red scales), R² (Gold scales)
X¹ (Bat-like, Dominant),
Xi (Insect-like, Recessive)
F (Fire breathing), f (unable to create
fire)
Inheritance Model
Incomplete dominance
X-linked allele
Mendelian
Transcribed Image Text:Smaug (The Chiefest and Greatest of Calamities, The Unassessably Wealthy, The Stupendous, etc.), is the dragon who lords over the Lonely Mountain in J.R.R. Tolkien's The Hobbit. He is described with the following phenotypes: Reddish-golden scales Batlike wings Fire breathing Let's assume the following inheritance models are true for the dragon phenotypes observed: Phenotype Scale Color Wing Shape Fire Breathing Alleles R¹ (Red scales), R² (Gold scales) X¹ (Bat-like, Dominant), Xi (Insect-like, Recessive) F (Fire breathing), f (unable to create fire) Inheritance Model Incomplete dominance X-linked allele Mendelian
3. Given the information above, and assuming dragons are diploid organisms with
one pair of non-homologous, sex-determining chromosomes (Smaug is referred
to as male multiple times in The Hobbit, so we will assume Smaug is hemizygous
for X-linked traits), What is Smaug's genotype for the three traits (Scale color,
Wing type, Fire breath)? For this assignment, you may assume Smaug is
homozygous for fire breath.
A: R¹R¹ X¹Y FF
B: R¹R² X¹Xi Ff
C: R²R¹ XİY Ff
D: R¹R² X¹Y FF
E: R¹R¹ XIXI ff
Transcribed Image Text:3. Given the information above, and assuming dragons are diploid organisms with one pair of non-homologous, sex-determining chromosomes (Smaug is referred to as male multiple times in The Hobbit, so we will assume Smaug is hemizygous for X-linked traits), What is Smaug's genotype for the three traits (Scale color, Wing type, Fire breath)? For this assignment, you may assume Smaug is homozygous for fire breath. A: R¹R¹ X¹Y FF B: R¹R² X¹Xi Ff C: R²R¹ XİY Ff D: R¹R² X¹Y FF E: R¹R¹ XIXI ff
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