Question 1

Which is NOT a typical site for the occurrence of meiosis?

Accepted Answer

A) plant ovary 
B) plant root cells 
C) human testis 
D) human ovary 
E) plant anther 
A) plant ovary 
B) plant root cells 
C) human testis 
D) human ovary 
E) plant anther

Question 2

Gamete formation is

Accepted Answer

A) always the result of the process of meiosis. 
B) the pairing of homologous chromosomes. 
C) the formation of sex cells. 
D) the fusion of gametes. 
E) a process that occurs only in asexually reproducing forms. 
A) always the result of the process of meiosis. 
B) the pairing of homologous chromosomes. 
C) the formation of sex cells. 
D) the fusion of gametes. 
E) a process that occurs only in asexually reproducing forms.

Question 3

Polar bodies

Accepted Answer

A) are dumping places for excess genetic material. 
B) have no known biological function. 
C) are produced by meiosis. 
D) will serve as the gametes if something happens to the egg. 
E) all of these are true EXCEPT "will serve as the gametes if something happens to the egg." 
A) are dumping places for excess genetic material. 
B) have no known biological function. 
C) are produced by meiosis. 
D) will serve as the gametes if something happens to the egg. 
E) all of these are true EXCEPT "will serve as the gametes if something happens to the egg."

Question 4

Which of the following statements is NOT true?

Accepted Answer

A)  In asexual reproduction, the parent passes a complete set of genes to its offspring. 
B) In sexual reproduction, both meiosis and fertilization must occur during the life cycle. 
C) In sexual reproduction, a human offspring receives two genes for every trait. 
D) Sexual reproduction puts together new combinations of genes. 
E) Sexual reproduction produces clones. 
A)  In asexual reproduction, the parent passes a complete set of genes to its offspring. 
B) In sexual reproduction, both meiosis and fertilization must occur during the life cycle. 
C) In sexual reproduction, a human offspring receives two genes for every trait. 
D) Sexual reproduction puts together new combinations of genes. 
E) Sexual reproduction produces clones.

Question 5

The illustration shows one possible outcome of the random alignment of homologous chromosomes at metaphase I.How many other possible arrangements exist?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 6

Crossing over

Accepted Answer

A) increases variability in gametes. 
B) happens only once per homologue pair. 
C) occurs between sister chromatids. 
D) prevents genetic recombination. 
E) is followed immediately by separation of each of the chromatids. 
A) increases variability in gametes. 
B) happens only once per homologue pair. 
C) occurs between sister chromatids. 
D) prevents genetic recombination. 
E) is followed immediately by separation of each of the chromatids.

Question 7

Which of the following is NOT true of human chromosomes?

Accepted Answer

A) The haploid number is 23. 
B) The diploid number is 46. 
C) There are 23 pairs of chromosomes. 
D) Human gametes end up with two of each type of 23 chromosomes. 
E) Human gametes end up with one of each type of 23 chromosomes. 
A) The haploid number is 23. 
B) The diploid number is 46. 
C) There are 23 pairs of chromosomes. 
D) Human gametes end up with two of each type of 23 chromosomes. 
E) Human gametes end up with one of each type of 23 chromosomes.

Question 8

Homologous chromosomes

Accepted Answer

A) pair up during meiosis. 
B) have alleles for the same characteristics even though the gene expression may not be the same. 
C) are in pairs, one chromosome of each pair from the father and one from the mother. 
D) separate from each other during meiosis I. 
E) all of these. 
A) pair up during meiosis. 
B) have alleles for the same characteristics even though the gene expression may not be the same. 
C) are in pairs, one chromosome of each pair from the father and one from the mother. 
D) separate from each other during meiosis I. 
E) all of these.

Question 9

Fertilization of plant gametes produces a

Accepted Answer

A) zygote. 
B) gametophyte. 
C) spore. 
D) meiospore. 
E) multicellular haploid plant. 
A) zygote. 
B) gametophyte. 
C) spore. 
D) meiospore. 
E) multicellular haploid plant.

Question 10

In comparing mitosis and meiosis, which of the following statements is true?

Accepted Answer

A) Meiosis I is more like mitosis than is meiosis II. 
B) Both processes result in four cells. 
C) Pairing of homologues occurs in both. 
D) Chromatids are present only in mitosis. 
E) Meiosis II resembles mitosis. 
A) Meiosis I is more like mitosis than is meiosis II. 
B) Both processes result in four cells. 
C) Pairing of homologues occurs in both. 
D) Chromatids are present only in mitosis. 
E) Meiosis II resembles mitosis.

Exam 10: Meiosis and Sexual Reproduction

Which is NOT a typical site for the occurrence of meiosis?

Gamete formation is

Polar bodies

Which of the following statements is NOT true?

The illustration shows one possible outcome of the random alignment of homologous chromosomes at metaphase I.How many other possible arrangements exist?

Crossing over

Which of the following is NOT true of human chromosomes?

Homologous chromosomes

Fertilization of plant gametes produces a

In comparing mitosis and meiosis, which of the following statements is true?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters