BIO 335- UNCW Genetics Test- Questions with 100% Correct Answers
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Course
BIO 335
Institution
BIO 335
Which of the following statements regarding X inactivation in mammals is FALSE? -
Answer The process occurs while the cells undergo meiosis.
Consider the pedigree below. What is the most likely mode of inheritance? - Answer
Autosomal dominant
Consider the pedigree below. What is the most likely...
BIO 335 - UNCW Genetics Test- Questions with 100% Correct Answers Which of the following statements regarding X inactivation in mammals is FALSE? - Answer The process occurs while the cells undergo meiosis. Consider the pedigree below. What is the most likely mode of inheritance? - Answer Autosomal dominant Consider the pedigree below. What is the most likely mode of inheritance? - Answer Sex-linked recessive The next 6 questions pertain to the same scenario in which a disease is tracked in a family using the pedigree below. The disease allele shall be denoted with the letter d or D. You will notice two arrows pointing to the grandchildren in generation 3. The arrows point to Angelina (a girl) and Samuel (a boy). What is the most likely mode of inheritance? - Answer Sex -linked dominant The next 5 questions pertain to the same scenario in which a disease is tracked in a family using the pedi gree below. The disease allele shall be denoted with the letter d or D. You will notice two arrows pointing to the grandchildren in generation 3. The arrows point to Angelina (a girl) and Samuel (a boy). What is the genotype of Angelina? - Answer Xd Xd The next 4 questions pertain to the same scenario in which a disease is tracked in a family using the pedigree below. The disease allele shall be denoted with the letter d or D. You will notice two arrows pointing to the grandchildren in generation 3. The a rrows point to Angelina (a girl) and Samuel (a boy).What is the probability that Samuel's first child with an unaffected woman is an unaffected son? - Answer 50% The next 3 questions pertain to the same scenario in which a disease is tracked in a family u sing the pedigree below. The disease allele shall be denoted with the letter d or D. You will notice two arrows pointing to the grandchildren in generation 3. The arrows point to Angelina (a girl) and Samuel (a boy). What is the probability that Samuel's first child with an unaffected woman is an unaffected daughter? - Answer 0% The next 2 questions pertain to the same scenario in which a disease is tracked in a family using the pedigree below. The Jefferson family on the right of the pedigree had 4 children (indicated by the bracket), which appear (from left to right) in the correct birth order. What was the probability of having the shown offspring (with respect to both sex and disease status) considering the indicat ed birth order? - Answer 1/16 This is the last question pertaining to the scenario in which a disease is tracked in a family using the pedigree below. The Jefferson family on the right of the pedigree had 4 children (indicated by the bracket), which appea r (from left to right) in the correct birth order. Still with respect to the Jefferson pedigree, what was the probability of having any 2 of their 4 children affected by this disease? - Answer 3/8 Genes j, k, l, m, and n are five genes found on a single c hromosome in rabbits. The recombination frequencies between the five genes, as determined by multiple experimental crosses, are shown below. l - j = 31% l - m = 40% m - j = 9% n - k = 8% n - j = 19% k - m = 20%
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