Question

History Bookmarks People Window Help Take Test: Exam 1- BIO368-20 x 6 Home - University of Maine Sy B Week 13- e Sy X x s.maine.edu/webapps/assessment/take/take.jsp?courseassessment id-114842 1&course_id=1 Instructions Multiple Attempts Not allowed. This test can only be taken once. Force Completion Once started, this test must be completed one sitting. Do not leave the test before clicking Question Completion Status: Moving to another question will save this response. Question 9 1-1 I-2 I1-1 I1-2 II-3 I1-4 I-1 III-3 II1-2 III-4 Question: Under what circumstances is it possible for IIl-3 to be affected by an autosomal dominant mutation? a unknowingly switched at birth b. adopted c. spontaneous mutation O d. all of the above 13 MacBook Pro

under what circumstances is it possible for III-3 to be affected by an autosomal dominant mutation?

a. unknowlingly switched at birth

b. adopted

c. spontaneous mutation

d. all of the above

Answer 1

Autosomal dominant mutations appears in both sexes with equal frequency and both sexes are capable of transmitting these mutations to offsprings therefore do not skip generations.

In above case, there is no sign of dominant mutation in 1st and 2nd generation so when we see diseased III3, we can say that either mutations has occurred spontaneously or the child is adopted. Another case of switching of child at birth also play the role in conclusion so answer should be D.