Section: Mutation and Genetic Change Read the passage below. Then answer the questions that follow. Multicellular eukaryotes have two major cell types: germ cells and somatic cells. Germ cells makeup the gametes, whereas somatic cells make up the rest of the body. Mutations can occur in either type of cell. However, if a mutation occurs in a somatic cell, that genetic change will not affect the person's future offspring. For example, a mutation in a person's lung cell could cause the cell to grow into lung cancer. Yet, the mutated genes in the cancer cells will not be transferred to the person's children. Only a mutation in a germ cell may be passed on to the next generation. However, any such mutation may be silent and have little effect. Only rarely do mutations cause significant changes in future generations. SKILL: READING EFFECTIVELY Read each question, and write your answer in the space provided. 1. How does the prefix multi apply to a multicellular organism? 2. How are germ cells and somatic cells related? 3. What happens if a'mutation occurs in a skin cell?
Section: Mutation and Genetic Change Read the passage below. Then answer the questions that follow. Multicellular eukaryotes have two major cell types: germ cells and somatic cells. Germ cells makeup the gametes, whereas somatic cells make up the rest of the body. Mutations can occur in either type of cell. However, if a mutation occurs in a somatic cell, that genetic change will not affect the person's future offspring. For example, a mutation in a person's lung cell could cause the cell to grow into lung cancer. Yet, the mutated genes in the cancer cells will not be transferred to the person's children. Only a mutation in a germ cell may be passed on to the next generation. However, any such mutation may be silent and have little effect. Only rarely do mutations cause significant changes in future generations. SKILL: READING EFFECTIVELY Read each question, and write your answer in the space provided. 1. How does the prefix multi apply to a multicellular organism? 2. How are germ cells and somatic cells related? 3. What happens if a'mutation occurs in a skin cell?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Concept explainers
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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Skills Worksheet
Active Reading
Section: Mutation and Genetic Change
Read the passage below. Then answer the questions that follow.
Multicellular eukaryotes have two major cell types: germ cells and
somatic cells. Germ cells makeup the gametes, whereas somatic
cells make up the rest of the body. Mutations can occur in either
type of cell. However, if a mutation occurs in a somatic cell, that
genetic change will not affect the person's future offspring. For
example, a mutation in a person's lung cell could cause the cell to
grow into lung cancer. Yet, the mutated genes in the cancer cells
will not be transferred to the person's children.
Only a mutation in a germ cell may be passed on to the next
generation. However, any such mutation may be silent and have
little effect. Only rarely do mutations cause significant changes in
future generations.
SKILL: READING EFFECTIVELY
Read each question, and write your answer in the space provided.
1. How does the prefix multi apply to a multicellular organism?
2. How are germ cells and somatic cells related?
3. What happens if a'mutation occurs in a skin cell?
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