Midterm 1 Key

Midterm 1 Key - Midterm1.3Key 1 R. L. Rodriguez, Instructor...

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Unformatted text preview: Midterm1.3Key 1 R. L. Rodriguez, Instructor BIS101-001, Spring 2009 First Midterm Exam April 20, 2009 Your exam has 6 questions with 15 parts on 8 pages (including score sheet). Please print your name on each page. 1 . A concerned mother brings her infant daughter to the pediatrician and reports that her urine turns black over time. She presents the doctor with a wet diaper with a large dark brown spot on it. The doctor asks a number of questions including if this problem has occurred with her other children or with close relatives. Later, the doctor constructs the pedigree shown below. Midterm1.3Key 2 ( 1 A) The black urine problem is a classic example of which of the following traits? Circle the correct answer. (6 pts.) (i) Y linked recessive (ii) Y linked dominant (iii) autosomal dominant (iv) autosomal recessive (v) X linked dominant (vi) X lined recessive ( 1 B) Which of the following individuals is the proband? Circle the correct answer. (6 pt.) (i) I-1 (ii) II-2 (iii) II-3 (iv) III-2 (v) III-3 (vi) IV-2 (vii) IV-3 ( 1 C) Which of the following individuals is definitely homozygous for the black urine trait? Circle the correct answer. (6 pt.) (i) I-1 (ii) II-2 (iii) II-3 (iv) III-2 (v) IV-2 (vi) IV-3 Midterm1.3Key 2 ( 1 A) The black urine problem is a classic example of which of the following traits? Circle the correct answer. (6 pts.) (i) Y linked recessive (ii) Y linked dominant (iii) autosomal dominant (iv) autosomal recessive (v) X linked dominant (vi) X lined recessive ( 1 B) Which of the following individuals is the proband? Circle the correct answer. (6 pt.) (i) I-1 (ii) II-2 (iii) II-3 (iv) III-2...
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This note was uploaded on 01/25/2011 for the course BIS 101 taught by Professor Simonchan during the Spring '08 term at UC Davis.

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Midterm 1 Key - Midterm1.3Key 1 R. L. Rodriguez, Instructor...

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