Biology: Science for Life with Physiology (5th Edition)
Biology: Science for Life with Physiology (5th Edition)
5th Edition
ISBN: 9780321922212
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 8, Problem 2AAATB
Summary Introduction

To write:

The DNA profile of two identical twin sisters and their biological parents.

Introduction:

DNA profile is a very commonly used technique to detect the paternity testing. The child gets some chromosomes of the mother and father. DNA profiling is also used in criminal investigations.

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Below is a DNA profile of an individual. Use the diagram below and your knowledge from lecture to answer the questions below. 1. The single peak at D16S539 means that the individual has only one copy of D16S539. 2. The individual is homozygous for both the D5S818 and D7S820 loci. 3. The individual is heterozygous for the D16S539 locus. 4. The numbered boxes at the bottom represent the number of repeats. D5S818 D13S317 D7S820 D16S539 CSFIPO Number of Base Pairs 100 200 300 11 12 9 13 13|1ג| 11 10 11 A. 1, 2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1, 2, 3 and 4 are correct. Relative Fluorescence
You are a doctor who has obtained the karyotype below from a child to be born to one of your patients. Give your patient a brief description of karyotypes and explain how any abnormalities might have occurred.
An important application of DNA fingerprinting is relationship testing. Persons who are related genetically have some bands or peaks in common. The number they share depends on the closeness of their genetic relationship. For example, an offspring is expected to receive half of his or her minisatellites from one parent and the rest from the other. The diagram shown here schematically illustrates traditional DNA fingerprints of an offspring, mother, and two potential fathers. In paternity testing, the offspring’s DNA fingerprint is first compared with that of the mother. The bands that the offspring have in common with the mother are depicted in purple. The bands that are not similar between the offspring and the mother must have been inherited from the father. These bands are depicted in red. Which male could be the father?
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