Question 1

If the DNA content of a diploid cell in the G1 phase of the cell cycle is x, then the DNA content of the same cell at metaphase of meiosis I will be ________.

Accepted Answer

A)  0.25x 
B)  0.5x 
C)  x 
D)  2x 
A)  0.25x 
B)  0.5x 
C)  x 
D)  2x

Question 2

Cells from a diploid protist with n=1 are followed through mitosis and meiosis. The drawings in the figure below represent the chromosomes. Refer to the drawings and answer the following question(s).   Which diagram represents prophase of mitosis?

Accepted Answer

A)  I 
B)  III 
C)  IV 
D)  VI 
A)  I 
B)  III 
C)  IV 
D)  VI

Question 3

Which of the following events happens at the conclusion of meiosis I?

Accepted Answer

A)  Homologous chromosomes of a pair are separated from each other. 
B)  The chromosome number per cell remains the same. 
C)  Sister chromatids are separated. 
D)  Four daughter cells are formed. 
A)  Homologous chromosomes of a pair are separated from each other. 
B)  The chromosome number per cell remains the same. 
C)  Sister chromatids are separated. 
D)  Four daughter cells are formed.

Question 4

Which of the following statements describes an example of alternation of generations?

Accepted Answer

A)  A grandparent and grandchild each have dark hair, but the parent has blond hair. 
B)  A diploid plant (sporophyte) produces a spore by meiosis that gives rise to a multicellular, haploid pollen grain (gametophyte). 
C)  A diploid animal produces gametes by meiosis, and the gametes undergo fertilization to produce a diploid zygote. 
D)  A haploid plant produces gametes by meiosis and the gametes fuse to produce a new plant. 
A)  A grandparent and grandchild each have dark hair, but the parent has blond hair. 
B)  A diploid plant (sporophyte) produces a spore by meiosis that gives rise to a multicellular, haploid pollen grain (gametophyte). 
C)  A diploid animal produces gametes by meiosis, and the gametes undergo fertilization to produce a diploid zygote. 
D)  A haploid plant produces gametes by meiosis and the gametes fuse to produce a new plant.

Exam 13: Sexual Life Cycles and Meiosis

If the DNA content of a diploid cell in the G1 phase of the cell cycle is x, then the DNA content of the same cell at metaphase of meiosis I will be ________.

Cells from a diploid protist with n=1 are followed through mitosis and meiosis. The drawings in the figure below represent the chromosomes. Refer to the drawings and answer the following question(s). Which diagram represents prophase of mitosis?

Which of the following events happens at the conclusion of meiosis I?

Which of the following statements describes an example of alternation of generations?

Biology and Its Themes

Atoms and Molecules

The Chemistry of Water

Carbon: the Basis of Molecular Diversity

Biological Macromolecules and Lipids

Energy and Life

Cell Structure and Function

Cell Membranes

Cellular Signaling

Cell Respiration

Photosynthetic Processes

Mitosis

Mendelian Genetics

Linkage and Chromosomes

Nucleic Acids and Inheritance

Expression of Genes

Control of Gene Expression

Dna Technology

The Evolution of Genomes

How Evolution Works

Phylogenetic Reconstruction

Microevolution

Species and Speciation

Macroevolution

Introduction to Viruses

Prokaryotes

The Origin and Evolution of Eukaryotes

Nonvascular and Seedless Vascular Plants

Seed Plants

Introduction to Fungi

An Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure and Growth

Transport in Vascular Plants

Plant Nutrition

Reproduction of Flowering Plants

Plant Signals and Behavior

The Animal Body

Chemical Signals in Animals

Animal Digestive Systems

Animal Transport Systems

Animal Excretory Systems

Animal Reproductive Systems

Development in Animals

Animal Defenses Against Infection

Electrical Signals in Animals

Neural Regulation in Animals

Sensation and Movement in Animals

An Overview of Ecology

Behavioral Ecology

Populations and Life History Traits

Biodiversity and Communities

Energy Flow and Chemical Cycling in Ecosystems

Conservation and Global Ecology

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