Question 1

An individual with only one X chromosome and no other sex chromosome

Accepted Answer

A)  is female. 
B)  is male. 
C)  is never born. 
D)  never develops completely. 
E)  has Jacobs syndrome. 
A)  is female. 
B)  is male. 
C)  is never born. 
D)  never develops completely. 
E)  has Jacobs syndrome. A

Question 2

Under what circumstance(s)is it recommended that a woman undergo amniocentesis?

Accepted Answer

A)  The woman will be 25 years of age or older at the time of birth. 
B)  The woman has not had a previous child with a chromosomal aberration. 
C)  Either parent has a known structurally abnormal chromosome. 
D)  The father will be 35 years of age or older at the time of the birth. 
E)  The parents want to have a karyotype of their child. 
A)  The woman will be 25 years of age or older at the time of birth. 
B)  The woman has not had a previous child with a chromosomal aberration. 
C)  Either parent has a known structurally abnormal chromosome. 
D)  The father will be 35 years of age or older at the time of the birth. 
E)  The parents want to have a karyotype of their child. C

Question 3

One type of aneuploidy is Down syndrome.

Accepted Answer

A) True 
 B)False  True

Question 4

MATCHING
Match the correct syndromes with the genetic abnormality.
-Jacobs syndrome

Accepted Answer

A) Trisomy 21 
B) XXY 
C) XO 
D) 47, +13 
E) Trisomy 18
F)47, XYY 
A) Trisomy 21 
B) XXY 
C) XO 
D) 47, +13 
E) Trisomy 18
F)47, XYY

Question 5

The condition in which there is only a single copy of an autosome in a diploid cell is known as

Accepted Answer

A)  monosomy. 
B)  trisomy. 
C)  diploidy. 
D)  polyploidy. 
E)  haploidy. 
A)  monosomy. 
B)  trisomy. 
C)  diploidy. 
D)  polyploidy. 
E)  haploidy.

Question 6

In most cases of Down syndrome,there is no family inheritance pattern.Individuals with Down syndrome are born to mothers even when there has been no family history of Down syndrome.However,in rare cases,there is a family inheritance pattern.Describe the cause of this rare form of Down syndrome and explain why this form shows a family inheritance pattern.

Accepted Answer

This rare second form of Down syndrome (

Question 7

Match the appropriate term with the description or term.
-Diploid

Accepted Answer

A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes 
A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes

Question 8

Aneuploidy is a major cause of early miscarriages.

Accepted Answer

A) True 
 B)False

Question 9

Monosomy involving an autosomal chromosome is never fatal.

Accepted Answer

A) True 
 B)False

Question 10

Meiosis involves a reduction in the number of chromosomes.

Accepted Answer

A) True 
 B)False

Question 11

-These shorten after each cell division.

Accepted Answer

The answer of  
-These shorten after each cell division....

Question 12

Match the appropriate term with the description or term.
-Polyploid

Accepted Answer

A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes 
A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes

Question 13

Telomeres may play a role in aging.

Accepted Answer

A) True 
 B)False

Question 14

Individuals with Klinefelter syndrome have XXY sex chromosomes.

Accepted Answer

A) True 
 B)False

Question 15

-The q arm.

Accepted Answer

The answer of  
-The q arm....

Question 16

What chromosomal change(s)can lead to birth defects?

Accepted Answer

A)  additional copies of chromosomes 
B)  aneuploidy 
C)  duplications of segments of chromosomes 
D)  deletions of segments of chromosomes 
E)  All of these can lead to birth defects. 
A)  additional copies of chromosomes 
B)  aneuploidy 
C)  duplications of segments of chromosomes 
D)  deletions of segments of chromosomes 
E)  All of these can lead to birth defects.

Question 17

MATCHING
Match the correct syndromes with the genetic abnormality.
-Edwards syndrome

Accepted Answer

A) Trisomy 21 
B) XXY 
C) XO 
D) 47, +13 
E) Trisomy 18
F)47, XYY 
A) Trisomy 21 
B) XXY 
C) XO 
D) 47, +13 
E) Trisomy 18
F)47, XYY

Question 18

Homologous chromosomes

Accepted Answer

A)  carry different genes at different positions. 
B)  carry the same genes at different positions. 
C)  carry some of the same genes but also some different genes. 
D)  are both inherited from the same parent. 
E)  carry the same genes at the same positions. 
A)  carry different genes at different positions. 
B)  carry the same genes at different positions. 
C)  carry some of the same genes but also some different genes. 
D)  are both inherited from the same parent. 
E)  carry the same genes at the same positions.

Question 19

Identify and describe two medical tests that can be used to detect chromosomal abnormalities in a fetus.What are advantages and disadvantages of each?

Accepted Answer

Answers can include amniocentesis,chorio

Question 20

Match the appropriate term with the description or term.
-Haploid

Accepted Answer

A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes 
A) Zygote 
B) Involves gain or loss of a chromosome 
C) Sperm cell 
D) Extra copies of all the chromosomes

An individual with only one X chromosome and no other sex chromosome

Under what circumstance(s)is it recommended that a woman undergo amniocentesis?

One type of aneuploidy is Down syndrome.

MATCHING Match the correct syndromes with the genetic abnormality. -Jacobs syndrome

The condition in which there is only a single copy of an autosome in a diploid cell is known as

Match the appropriate term with the description or term. -Diploid

Aneuploidy is a major cause of early miscarriages.

Monosomy involving an autosomal chromosome is never fatal.

Meiosis involves a reduction in the number of chromosomes.

-These shorten after each cell division.

Match the appropriate term with the description or term. -Polyploid

Telomeres may play a role in aging.

Individuals with Klinefelter syndrome have XXY sex chromosomes.

-The q arm.

What chromosomal change(s)can lead to birth defects?

MATCHING Match the correct syndromes with the genetic abnormality. -Edwards syndrome

Homologous chromosomes

Identify and describe two medical tests that can be used to detect chromosomal abnormalities in a fetus.What are advantages and disadvantages of each?

Match the appropriate term with the description or term. -Haploid

Sex and Development

Assisted Reproductive Technology

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters

Exam 3: Changes in Chromosome Number

An individual with only one X chromosome and no other sex chromosome

Under what circumstance(s)is it recommended that a woman undergo amniocentesis?

One type of aneuploidy is Down syndrome.

MATCHING Match the correct syndromes with the genetic abnormality. -Jacobs syndrome

The condition in which there is only a single copy of an autosome in a diploid cell is known as

Match the appropriate term with the description or term. -Diploid

Aneuploidy is a major cause of early miscarriages.

Monosomy involving an autosomal chromosome is never fatal.

Meiosis involves a reduction in the number of chromosomes.

-These shorten after each cell division.

Match the appropriate term with the description or term. -Polyploid

Telomeres may play a role in aging.

Individuals with Klinefelter syndrome have XXY sex chromosomes.

-The q arm.

What chromosomal change(s)can lead to birth defects?

MATCHING Match the correct syndromes with the genetic abnormality. -Edwards syndrome

Homologous chromosomes

Identify and describe two medical tests that can be used to detect chromosomal abnormalities in a fetus.What are advantages and disadvantages of each?

Match the appropriate term with the description or term. -Haploid

Sex and Development

Assisted Reproductive Technology

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters