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Choose the statement that is in correct. a. Phylogeny helps us study the spread of viruses through human populations. b. DNA barcoding can identify an individual as belonging to a particular species. c. Lineages that are more distantly related have more similarities in the DNA sequence of their genomes. d. Nonconservative amino acid substitutions can cause drastic changes in phenotype.

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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 18, Problem 14SQ
Textbook Problem
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Choose the statement that is incorrect.

  1. a. Phylogeny helps us study the spread of viruses through human populations.
  2. b. DNA barcoding can identify an individual as belonging to a particular species.
  3. c. Lineages that are more distantly related have more similarities in the DNA sequence of their genomes.
  4. d. Nonconservative amino acid substitutions can cause drastic changes in phenotype.

Summary Introduction

Concept introduction: Comparative morphology of different animal groups can reveal evidence of evolutionary connections among lineages. The study of relationship between different animal groups for finding out their common ancestry is known as phylogeny. Organisms that are very closely related to each other will have many similarities in their genomic DNA.

Explanation of Solution

Reason for correct answer: According to evolutionary history, all organisms have evolved from a common ancestor. There are several significant evidences that strengthen this fact, and every organism in this universe shares many related characters. If the members of a particular group are very intimately related to each other, they would carry many similar features in their DNA sequences.

Option c. is given as “lineages that are more distantly related have more similarities in the DNA sequence of their genome”. Since this statement is wrong, option c. is the correct answer.

Reason for incorrect answer:

Option a. is given as “phylogeny helps us to study the spread of viruses through human populations.”

Phylogenic study is the study of relationship between different groups of animals. It can be used to study the spread of different viruses through human populations...

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