Problem

Solutions For An Introduction to Genetic Analysis Chapter 17 Problem 11P

Step-by-Step Solution

Solution 1

The deletion origin of cri du chat syndrome can be shown in the chromosomes in the figure:

Picture 1

By observing the above figure, we can see that the tip of the chromosome 5 is lost in cri du chat syndrome. When we observe the bands in the normal and abnormal chromosomes shown, it is seen that only one band is missing.

The portion of 15.2 and 15.3 is missing in the abnormal chromosomes. Since the 15.3 portion does not have a band, the 15.2 band is the only band missing in abnormal individuals.

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