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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892
BuyFind

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Solutions

Chapter
Section
Chapter 20, Problem 13TYK
Textbook Problem
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Design an experiment to test Lamarck’s hypothesis that characteristics acquired during an organism’s lifetime are inherited by their offspring. (You may wish to review the components of a well-designed experiment in Chapter 1 before formulating your answer.) Can you think of examples of acquired characteristics that are not inherited by offspring?

Expert Solution
Summary Introduction

To review:

The experimental design to test the Lamark’s hypothesis which states that characteristics acquired during an organism’s lifetime are inherited by their offspring.

Introduction:

Lamarckism is described as a theory of evolution which is based on the principle that physical changes in organisms that are acquired during their lifetime are transmitted to their offspring. This theory is proposed by French naturalist Jean-Baptiste Lamarck in 1809, influenced many evolutionary biologist of the 19th century. According to the biologists, acquired characteristics are the ones that has developed in the course of life of an individual.

Explanation of Solution

A number of ways recognized by the Lamarck explains that environment brings about changes in plants and animals, and it is significant to note that his main attention directed towards the adaptive character of the response. According to Lamarck, change in environment initiate the new needs in animals. This leads to a new type of behaviour related to the use or disuse of the body organs. To test the Lamarck theory one can plan the experiment with the alteration of a body part for a significant number of generation, which is followed by the observation that whether the altered body part is seen in offspring or not...

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