Question 1

Animals do which type of reproduction?

Accepted Answer

A) Sexual only 
B) Asexual only 
C) Sexual and asexual 
D) Budding only 
E) Binary fission 
A) Sexual only 
B) Asexual only 
C) Sexual and asexual 
D) Budding only 
E) Binary fission

Question 2

When nonsister chromatids exchange segments during meiosis,the process is called ______________________.

Accepted Answer

The answer of When nonsister chromatids exchange segments during meiosis,the...

Question 3

Some organisms are able to reproduce both sexually and asexually.

Accepted Answer

A) True 
 B)False

Question 4

Why is crossing over not possible in meiosis II?

Accepted Answer

A) Because homologous chromosomes are no longer in the same cell. 
B) Because the enzymes needed for it to occur are no longer present. 
C) Because prophase only occurs in meiosis I. 
D) Because meiosis II is much shorter than meiosis I. 
A) Because homologous chromosomes are no longer in the same cell. 
B) Because the enzymes needed for it to occur are no longer present. 
C) Because prophase only occurs in meiosis I. 
D) Because meiosis II is much shorter than meiosis I.

Question 5

In plants like the fern,haploid cells produced by meiosis divide by _________,forming a multicellular haploid phase.

Accepted Answer

A) meiosis 
B) binary fission 
C) mitosis 
D) budding 
A) meiosis 
B) binary fission 
C) mitosis 
D) budding

Question 6

During metaphase I of meiosis,homologous chromosomes can orient themselves such that one or the other will by chance go to a particular daughter cell in a process known as ________________________________.

Accepted Answer

independen

Question 7

When does separation of homologous chromosomes occur?

Accepted Answer

A) Prophase I 
B) Anaphase I 
C) Interphase 
D) Anaphase II 
A) Prophase I 
B) Anaphase I 
C) Interphase 
D) Anaphase II

Question 8

Which scientist is credited with proposing in 1887 that an egg and a sperm fuse to form a zygote?

Accepted Answer

A) Watson 
B) Crick 
C) Fleming 
D) Muller 
E) van Beneden 
A) Watson 
B) Crick 
C) Fleming 
D) Muller 
E) van Beneden

Question 9

How many possible orientations are there if a cell has four chromosome pairs?

Accepted Answer

A) 4 
B) 8 
C) 16 
D) 32 
E) It is impossible to determine 
A) 4 
B) 8 
C) 16 
D) 32 
E) It is impossible to determine

Question 10

Independent assortment of homologous chromosomes occurs at:

Accepted Answer

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

Question 11

In humans,how many different kinds of gametes can be produced due to independent assortment only?

Accepted Answer

A) 232 
B) 462 
C) 234 
D) 223 
E) 246 
A) 232 
B) 462 
C) 234 
D) 223 
E) 246

Question 12

What is the basis of Herman Muller's Ratchet theory?

Accepted Answer

A) That meiosis reduces the chromosome number in half. 
B) That synapsis must occur for crossing over to take place. 
C) That parthenogenesis does not increase genetic variability. 
D) That evolution is due to mutations,not crossing over. 
E) That once harmful mutations arise,asexual populations have no way of eliminating them. 
A) That meiosis reduces the chromosome number in half. 
B) That synapsis must occur for crossing over to take place. 
C) That parthenogenesis does not increase genetic variability. 
D) That evolution is due to mutations,not crossing over. 
E) That once harmful mutations arise,asexual populations have no way of eliminating them.

Question 13

Which is incorrect about meiosis?

Accepted Answer

A) Crossing over occurs in prophase I. 
B) Meiosis I results in 2 haploid cells. 
C) Sister chomatids separate in anaphase I. 
D) Meiosis II is like mitosis. 
E) Chromosome replication only occurs in interphase I. 
A) Crossing over occurs in prophase I. 
B) Meiosis I results in 2 haploid cells. 
C) Sister chomatids separate in anaphase I. 
D) Meiosis II is like mitosis. 
E) Chromosome replication only occurs in interphase I.

Question 14

The alignment of homologous chromosomes with the exchange of genetic information between them is known as:

Accepted Answer

A) random fertilization 
B) independent assortment 
C) crossing over 
D) lining up at the equator 
A) random fertilization 
B) independent assortment 
C) crossing over 
D) lining up at the equator

Question 15

In humans,gametes are _______,while somatic cells are ________.

Accepted Answer

A) diploid,diploid 
B) haploid,diploid 
C) haploid,haploid 
D) haploid,triploid 
E) triploid,haploid 
A) diploid,diploid 
B) haploid,diploid 
C) haploid,haploid 
D) haploid,triploid 
E) triploid,haploid

Question 16

Cells that will eventually undergo meiosis and produce gametes are often referred to as _______________ cells.

Accepted Answer

The answer of Cells that will eventually undergo meiosis and...

Question 17

The purpose of meiosis I is:

Accepted Answer

A) to separate homologous chromosomes 
B) to replicate chromosomes 
C) to create 4 haploid cells 
D) to separate sister chromatids 
E) to repair errors in DNA synthesis 
A) to separate homologous chromosomes 
B) to replicate chromosomes 
C) to create 4 haploid cells 
D) to separate sister chromatids 
E) to repair errors in DNA synthesis

Question 18

During which stage do chromosomes line up in pairs on the equatorial plane?

Accepted Answer

A) Metaphase I 
B) Anaphase II 
C) Metaphase II 
D) Telophase I 
E) Telophase II 
A) Metaphase I 
B) Anaphase II 
C) Metaphase II 
D) Telophase I 
E) Telophase II

Question 19

In animals,asexual reproduction can involve the budding off of cells which grow by mitosis into a new individual.

Accepted Answer

A) True 
 B)False

Question 20

After meiosis I,_______ cells are formed and after meiosis II,_____ cells result.

Accepted Answer

A) 2,3 
B) 4,4 
C) 2,4 
D) 4,8 
E) 2,8 
A) 2,3 
B) 4,4 
C) 2,4 
D) 4,8 
E) 2,8

Exam 9: Meiosis

Animals do which type of reproduction?

When nonsister chromatids exchange segments during meiosis,the process is called ______________________.

Some organisms are able to reproduce both sexually and asexually.

Why is crossing over not possible in meiosis II?

In plants like the fern,haploid cells produced by meiosis divide by _________,forming a multicellular haploid phase.

During metaphase I of meiosis,homologous chromosomes can orient themselves such that one or the other will by chance go to a particular daughter cell in a process known as ________________________________.

When does separation of homologous chromosomes occur?

Which scientist is credited with proposing in 1887 that an egg and a sperm fuse to form a zygote?

How many possible orientations are there if a cell has four chromosome pairs?

Independent assortment of homologous chromosomes occurs at:

In humans,how many different kinds of gametes can be produced due to independent assortment only?

What is the basis of Herman Muller's Ratchet theory?

Which is incorrect about meiosis?

The alignment of homologous chromosomes with the exchange of genetic information between them is known as:

In humans,gametes are _______,while somatic cells are ________.

Cells that will eventually undergo meiosis and produce gametes are often referred to as _______________ cells.

The purpose of meiosis I is:

During which stage do chromosomes line up in pairs on the equatorial plane?

In animals,asexual reproduction can involve the budding off of cells which grow by mitosis into a new individual.

After meiosis I,_______ cells are formed and after meiosis II,_____ cells result.

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Plant Reproduction and Growth

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters

In humans,gametes are _,while somatic cells are __.

After meiosis I,___ cells are formed and after meiosis II,_ cells result.