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Problem Set #2

Last updated about 5 years ago
31 questions
Note from the author:
Practice genetics problems from Campbell Biology.
This assignment is for Problem Set #2 (https://studentsrockdalek12ga-my.sharepoint.com/:b:/g/personal/tjones1_rockdale_k12_ga_us1/EVYpgTJVIe1EsazxP1vOaCYBaskJfxXXWIzMTJa4dnT4_Q?e=h5ZmAA)

Your grade for this assignment will be based on two components.
1) Your answers to these questions.
2) Your graded work on select questions.
1

Q1: The allele for which color is dominant?

0.25

Q2: What type(s) of gametes will form in individuals with the following genotypes?

a. AABB

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Q2: What type(s) of gametes will form in individuals with the following genotypes?

b. AaBB

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Q2: What type(s) of gametes will form in individuals with the following genotypes?

c. Aabb

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Q2: What type(s) of gametes will form in individuals with the following genotypes?

d. AaBb

0.5

Q3: Determine the probability of obtaining the indicated genotype in an offspring.

a. AAbb

0.5

Q3: Determine the probability of obtaining the indicated genotype in an offspring.

b. aaBB

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Q3: Determine the probability of obtaining the indicated genotype in an offspring.

c. AaBbCc

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Q3: Determine the probability of obtaining the indicated genotype in an offspring.

d. aabbcc

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Q4. Indicate which blood groups of potential fathers would be exonerated.

a. Child: A

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Q4. Indicate which blood groups of potential fathers would be exonerated.

b. Child: B

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Q4. Indicate which blood groups of potential fathers would be exonerated.

c. Child: AB

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Q4. Indicate which blood groups of potential fathers would be exonerated.

d. Child: O

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Q4. Indicate which blood groups of potential fathers would be exonerated.

e. Child: A

1

5. Give the phenotypic ratio of offspring from a cross of a deformed leg, brown rabbit with a deformed-leg, white rabbit.

Answer format: # Phenotype 1 : # Phenotype 2 : # Phenotype 3: # Phenotype 4

1

Q6. What is the probability that a second child will have the normal number of digits?

1

Q7. What are the genotypes of the parents in the mating described.

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Q8. How do you account for the results of the first cross? (Give the parent genotype)

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Q8: How do explain the unusual ratio obtained from the second cross?

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Q9a. How many pairs of genes are regulating the tail length character?

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Q9b. What offspring phenotypes would you expect from a mating between a 15 cm and 30 cm tail length pig?

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Q10a. Determine the genotypes of the parents

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Q10b. Determine the genotypes of the parents

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Q11. Determine the genotypes of the dogs

a. Golden female x golden male

Answer format: Golden F (genotype) x Golden M (genotype)

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Q11. Determine the genotypes of the dogs

b. black female x golden male

Answer format: Golden F (genotype) x Golden M (genotype)

1

Q19. How many of them would you expect to have red, axial flowers?

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Q14. How many genes are involved?

0.5

Q14. Explain why the F1 are all red and how the 9:6:1 ratio occurred?

0.33

Q15a. What are the probable genotypes of the father, mother, and children?

Answer format: Father (genotype), Mother (genotype), Children (genotype, genotype, genotype, genotype) <- some questions do not have this many

0.33

Q15b. What are the probable genotypes of the father, mother, and children?

Answer format: Father (genotype), Mother (genotype), Children (genotype, genotype, genotype, genotype) <- some questions do not have this many

0.33

Q15c. What are the probable genotypes of the father, mother, and children?

Answer format: Father (genotype), Mother (genotype), Children (genotype, genotype, genotype, genotype) <- some questions do not have this many