Question 1

Which 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. D

Question 2

Human haploid cells have how many chromosomes?

Accepted Answer

A) 12 
B) 23 
C) 46 
D) 69 
E) 92 
A) 12 
B) 23 
C) 46 
D) 69 
E) 92 B

Question 3

Human chromosomes numbered 1-22 are classified as ____.

Accepted Answer

A) centrosomes 
B) somatosomes 
C) sex chromosomes 
D) autosomes 
E) corposomes 
A) centrosomes 
B) somatosomes 
C) sex chromosomes 
D) autosomes 
E) corposomes D

Question 4

The stages of meiosis I are virtually the same as the stages of mitosis. The one major difference is ____.

Accepted Answer

A) the homologous chromosomes line up opposite each other during metaphase 
B) there is no anaphase in meiosis I 
C) there is no prophase in meiosis I 
D) the homologous chromosomes line up next to each other during metaphase 
E) the homologous chromosomes line up at opposite ends of the spindle equator 
A) the homologous chromosomes line up opposite each other during metaphase 
B) there is no anaphase in meiosis I 
C) there is no prophase in meiosis I 
D) the homologous chromosomes line up next to each other during metaphase 
E) the homologous chromosomes line up at opposite ends of the spindle equator

Question 5

Copies of chromosomes linked together at their centromeres at the beginning of meiosis are known as ____.

Accepted Answer

A) mother chromosomes 
B) daughter chromosomes 
C) sister chromatids 
D) homologous chromatids 
E) analogous genes 
A) mother chromosomes 
B) daughter chromosomes 
C) sister chromatids 
D) homologous chromatids 
E) analogous genes

Question 6

Prophase, metaphase, anaphase, and telophase are part of which larger phase?

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 7

Chromosome number for a species is 34. When a cell divides by mitosis, the daughter cells have how many chromosomes?

Accepted Answer

A) 17 
B) 34 
C) 51 
D) 68 
E) 119 
A) 17 
B) 34 
C) 51 
D) 68 
E) 119

Question 8

The human germ cell line (23 pairs of homologous chromosomes)allows for how many combinations of maternal and paternal chromosomes every time a gamete is produced?

Accepted Answer

A) 223 
B) 232 
C) 8 
D) 8, 000 
E) 23 
A) 223 
B) 232 
C) 8 
D) 8, 000 
E) 23

Question 9

DNA wrapped twice around a protein core form a ____.

Accepted Answer

A) chromosome 
B) gene 
C) chromatin 
D) nucelosome 
E) chromatid 
A) chromosome 
B) gene 
C) chromatin 
D) nucelosome 
E) chromatid

Question 10

As a cell prepares to divide, it makes copies of each chromosome in the form of ____.

Accepted Answer

A) sister chromatids 
B) sister chromosomes 
C) chromatin 
D) genes 
E) centromeres 
A) sister chromatids 
B) sister chromosomes 
C) chromatin 
D) genes 
E) centromeres

Question 11

Homologous chromosomes may swap segments of genetic information during which phase of meiosis?

Accepted Answer

A) metaphase I 
B) metaphase II 
C) prophase I 
D) prophase II 
E) anaphase I 
A) metaphase I 
B) metaphase II 
C) prophase I 
D) prophase II 
E) anaphase I

Question 12

The process by which a parent cell or organism produces a new individual cell or whole organism is ____.

Accepted Answer

A) life cycle 
B) cell division 
C) coitus 
D) reproduction 
E) mutation 
A) life cycle 
B) cell division 
C) coitus 
D) reproduction 
E) mutation

Question 13

There is no interphase between ____.

Accepted Answer

A) mitosis and meiosis 
B) meiosis I and meiosis II 
C) fertilization and meiosis 
D) meiosis and fertilization 
E) mitosis I and mitosis II 
A) mitosis and meiosis 
B) meiosis I and meiosis II 
C) fertilization and meiosis 
D) meiosis and fertilization 
E) mitosis I and mitosis II

Question 14

If ionizing radiation affects a germ cell then ____.

Accepted Answer

A) no sperm or eggs will be made 
B) more eggs and sperm than normal will be produced 
C) sperm and eggs will contain the diploid number of chromosomes 
D) damage to the DNA will be inherited by an infant causing genetic defects 
E) no problems will arise 
A) no sperm or eggs will be made 
B) more eggs and sperm than normal will be produced 
C) sperm and eggs will contain the diploid number of chromosomes 
D) damage to the DNA will be inherited by an infant causing genetic defects 
E) no problems will arise

Question 15

____________________ radiation includes various forms of potentially harmful types of electromagnetic energy.

Accepted Answer

The answer of ____________________ radiation includes various forms of potentially...

Question 16

The process by which a parent cell or organism produces a new individual cell or whole organism is ____.

Accepted Answer

A) antigens 
B) albumens 
C) haptens 
D) histones 
E) centrioles 
A) antigens 
B) albumens 
C) haptens 
D) histones 
E) centrioles

Question 17

What is the result of meiosis?

Accepted Answer

A) 2 diploid cells 
B) 4 diploid cells 
C) 2 haploid cells 
D) 4 haploid cells 
E) 1 haploid cell 
A) 2 diploid cells 
B) 4 diploid cells 
C) 2 haploid cells 
D) 4 haploid cells 
E) 1 haploid cell

Question 18

The swapping of corresponding segments between homologous chromosomes is ____________________.

Accepted Answer

The answer of The swapping of corresponding segments between homologous...

Question 19

The part of interphase when the cell grows is the ____.

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 20

Which does NOT occur in prophase I of meiosis?

Accepted Answer

A) cytokinesis 
B) formation of groups of four chromatids 
C) homologue pairing 
D) crossing over 
E) condensation of chromatin 
A) cytokinesis 
B) formation of groups of four chromatids 
C) homologue pairing 
D) crossing over 
E) condensation of chromatin

Exam 18: Cell Reproduction

Which is NOT true of human chromosomes?

Human haploid cells have how many chromosomes?

Human chromosomes numbered 1-22 are classified as ____.

The stages of meiosis I are virtually the same as the stages of mitosis. The one major difference is ____.

Copies of chromosomes linked together at their centromeres at the beginning of meiosis are known as ____.

Prophase, metaphase, anaphase, and telophase are part of which larger phase?

Chromosome number for a species is 34. When a cell divides by mitosis, the daughter cells have how many chromosomes?

The human germ cell line (23 pairs of homologous chromosomes)allows for how many combinations of maternal and paternal chromosomes every time a gamete is produced?

DNA wrapped twice around a protein core form a ____.

As a cell prepares to divide, it makes copies of each chromosome in the form of ____.

Homologous chromosomes may swap segments of genetic information during which phase of meiosis?

The process by which a parent cell or organism produces a new individual cell or whole organism is ____.

There is no interphase between ____.

If ionizing radiation affects a germ cell then ____.

____________________ radiation includes various forms of potentially harmful types of electromagnetic energy.

The process by which a parent cell or organism produces a new individual cell or whole organism is ____.

What is the result of meiosis?

The swapping of corresponding segments between homologous chromosomes is ____________________.

The part of interphase when the cell grows is the ____.

Which does NOT occur in prophase I of meiosis?

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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