Bis101_Quiros_Winter2005

Bis101_Quiros_Winter2005 - NAME Last First ID BIS101-2...

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NAME: ID# Last, First BIS101-2 Winter 05 MIDTERM 1 SHOW ALL WORK TO GET FULL CREDIT . Code of Academic Conduct All members of the academic community are responsible for the academic integrity of the Davis campus. Academic dishonesty is contrary to the purposes of the University and is not to be tolerated. Those who violate campus rules regarding academic misconduct are subject to disciplinary sanctions, including suspension and dismissal. Examples of academic misconduct include: 1) Receiving or providing unauthorized assistance on examinations, 2) Using unauthorized materials during an examination 3) Altering an exam and submitting it for re-grading 4) Using false excuses to obtain extensions of time 5) Taking an exam for another student. Authorization for Public Distribution of Graded Examination and grade posting by 6 last digits of SS# I,____________________________ , ID#__________________________ authorize that after this exam is graded, it can be distributed in class or placed in a holding bin, labeled BIS 101-02 in Briggs Hall. 1
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MIDTERM I QUESTION VALUE SCORE 1 12 2 10 3 12 4 8 5 10 6 10 7 10 8 20 9 8 TOTAL 100 2
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1) In the mating: (parent 1) AA Bb Cc Dd Ee FF gg x (parent 2) Aa Bb cc dd ee Ff Gg What is the probability of obtaining the following progeny: a) Phenotype A_ bb C_ D_ E_ Ff gg (3) (1) (1/4) (1/2) (1/2)(1/2) (1/2)(1/2) = 1/128 b) Genotype Aa bb Cc dd Ee FF Gg (3) (1/2) (1/4) (1/2) (1/2)(1/2) (1/2) (1/2) = 1/256 c) Genotype AA BB cc dd ee Ff GG (3) (1/2) (1/4) (1/2) (1/2) (1/2) (1/2) (0) = 0 d) How many different gametes will be produced by parent 1 (3) (1) (2) (2) (2) (2) (1) (1) = 16 2). John’s father is known to be a carrier of Tay-Sachs disease, a lethal autosomal recessive disorder. John’s mother does not have a history of the disease in her family.
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Bis101_Quiros_Winter2005 - NAME Last First ID BIS101-2...

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