Question 1

The Tay-Sachs screening program has actually led to an increase in the number of children born with the disease.

Accepted Answer

A) True 
 B)False

Question 2

A 30-year-old man comes from a family with a history of Huntington disease.What type of testing should he be considering?

Accepted Answer

A)  Presymptomatic testing 
B)  Prenatal diagnosis 
C)  Ultrasonography 
D)  Carrier testing for his wife 
E)  Amniocentesis. 
A)  Presymptomatic testing 
B)  Prenatal diagnosis 
C)  Ultrasonography 
D)  Carrier testing for his wife 
E)  Amniocentesis.

Question 3

MATCHING
Match the appropriate term with the description.
-Sickle cell

Accepted Answer

A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet 
A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet

Question 4

MATCHING
Match the appropriate term with the description.
-Amniocentesis

Accepted Answer

A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet 
A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet

Question 5

MATCHING
Match the appropriate term with the description.
-CVS

Accepted Answer

A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet 
A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet

Question 6

MATCHING
Match the appropriate term with the description.
-Ultrasound

Accepted Answer

A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet 
A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet

Question 7

Distinguish between genetic testing and genetic screening.

Accepted Answer

Genetic testing determines whether someo

Question 8

What is the mode of inheritance for PKU?

Accepted Answer

A)  autosomal dominant 
B)  autosomal recessive 
C)  X-linked recessive 
D)  X-linked dominant 
E)  The mode of inheritance for PKU has not yet been determined. 
A)  autosomal dominant 
B)  autosomal recessive 
C)  X-linked recessive 
D)  X-linked dominant 
E)  The mode of inheritance for PKU has not yet been determined.

Question 9

MATCHING
Match the appropriate term with the description.
-PKU

Accepted Answer

A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet 
A) Sonar imaging of a fetus 
B) Treatments include dialysis 
C) Carriers were prevented from joining the United State Air Force 
D) Analyzes DNA present in amniotic fluid 
E) Procedure where a needle is inserted through the abdominal and uterine wall
F)Leads to death by age 3 or 4
G)Blastomere genetic testing
H)Can be done at 8-10 weeks of pregnancy
I)Treatment involves avoiding phenylalanine in the diet

Question 10

Ultrasound can aid in the diagnosis of

Accepted Answer

A)  monosomy 1. 
B)  trisomy 21.. 
C)  all genetic disorders. 
D)  cystic fibrosis. 
E)  phenylketonuria. 
A)  monosomy 1. 
B)  trisomy 21.. 
C)  all genetic disorders. 
D)  cystic fibrosis. 
E)  phenylketonuria.

Question 11

Currently,some genetic conditions can be treated,but none can be cured.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following statements is FALSE regarding CVS?

Accepted Answer

A)  It has a about the same risk of miscarriage as amniocentesis. 
B)  It can be performed as early as 8-10 weeks of pregnancy. 
C)  It offers early diagnosis of genetic diseases. 
D)  It involves recovering fetal cells from the mother's blood. 
E)  It allows the preparation of karyotypes within a few hours or a few days after harvesting the cells. 
A)  It has a about the same risk of miscarriage as amniocentesis. 
B)  It can be performed as early as 8-10 weeks of pregnancy. 
C)  It offers early diagnosis of genetic diseases. 
D)  It involves recovering fetal cells from the mother's blood. 
E)  It allows the preparation of karyotypes within a few hours or a few days after harvesting the cells.

Question 13

Prenatal genetic diagnosis is used to determine

Accepted Answer

A)  the fetal genotype. 
B)  if family members are carriers. 
C)  if the individual will be completely free of genetic disorders throughout their lifetime. 
D)  if the parents have a fatal disorder. 
E)  if the fetus has a functioning kidney. 
A)  the fetal genotype. 
B)  if family members are carriers. 
C)  if the individual will be completely free of genetic disorders throughout their lifetime. 
D)  if the parents have a fatal disorder. 
E)  if the fetus has a functioning kidney.

Question 14

Recovering fetal cells present in the mother's blood can be difficult because

Accepted Answer

A)  only 1 in every 100,000 cells in the mother's blood is a fetal cell. 
B)  this technique increases the risk of miscarriage. 
C)  the fetal cells lack a nucleus. 
D)  fetal cells do not enter the mother's blood stream. 
E)  these cells have not been useful for diagnosing genetic disorders. 
A)  only 1 in every 100,000 cells in the mother's blood is a fetal cell. 
B)  this technique increases the risk of miscarriage. 
C)  the fetal cells lack a nucleus. 
D)  fetal cells do not enter the mother's blood stream. 
E)  these cells have not been useful for diagnosing genetic disorders.

Question 15

Some genetic disorders are found in higher frequencies in certain ethnic groups.

Accepted Answer

A) True 
 B)False

Question 16

Amniocentesis is recommended when the mother is 35 years or older.This is because after age 35,

Accepted Answer

A)  the mother's health will be severely impacted with each pregnancy. 
B)  she is more likely to have a female child. 
C)  the risk of the child having an X-linked disorder increases. 
D)  the mother's chromosomes are likely to suffer some damage. 
E)  the risk of having a child with a chromosomal abnormality increases dramatically. 
A)  the mother's health will be severely impacted with each pregnancy. 
B)  she is more likely to have a female child. 
C)  the risk of the child having an X-linked disorder increases. 
D)  the mother's chromosomes are likely to suffer some damage. 
E)  the risk of having a child with a chromosomal abnormality increases dramatically.

Question 17

Ultrasound can be used to identify fetuses with trisomy 18 because it can directly visualize chromosomes in a cell.

Accepted Answer

A) True 
 B)False

Question 18

Genetic testing can be used to identify all of the following EXCEPT those individual who

Accepted Answer

A)  carry a genetic disease allele. 
B)  are at risk of having a child with a genetic disorder. 
C)  may have a genetic susceptibility to drugs. 
D)  may have a genetic susceptibility to environmental agents. 
E)  will definitely develop cancer in their lifetime. 
A)  carry a genetic disease allele. 
B)  are at risk of having a child with a genetic disorder. 
C)  may have a genetic susceptibility to drugs. 
D)  may have a genetic susceptibility to environmental agents. 
E)  will definitely develop cancer in their lifetime.

Question 19

Which of the following statements about genetic screening programs across the United States is FALSE?

Accepted Answer

A)  The number of disorders screened varies from state to state. 
B)  The types of disorders screened vary from state to state. 
C)  Genetic screening programs for newborns are mandated by law. 
D)  Genetic screening started in the 1960s with screening for PKU. 
E)  Genetic screening started in the 1970s with screening for Tay-Sachs disease. 
A)  The number of disorders screened varies from state to state. 
B)  The types of disorders screened vary from state to state. 
C)  Genetic screening programs for newborns are mandated by law. 
D)  Genetic screening started in the 1960s with screening for PKU. 
E)  Genetic screening started in the 1970s with screening for Tay-Sachs disease.

Question 20

This type of testing is used to test unaffected members of a family with a history of a genetic disorder such as cystic fibrosis.

Accepted Answer

A)  Presymptomatic testing 
B)  Prenatal diagnosis 
C)  Ultrasonography 
D)  Carrier testing 
E)  Amniocentesis. 
A)  Presymptomatic testing 
B)  Prenatal diagnosis 
C)  Ultrasonography 
D)  Carrier testing 
E)  Amniocentesis.

The Tay-Sachs screening program has actually led to an increase in the number of children born with the disease.

A 30-year-old man comes from a family with a history of Huntington disease.What type of testing should he be considering?

MATCHING Match the appropriate term with the description. -Sickle cell

MATCHING Match the appropriate term with the description. -Amniocentesis

MATCHING Match the appropriate term with the description. -CVS

MATCHING Match the appropriate term with the description. -Ultrasound

Distinguish between genetic testing and genetic screening.

What is the mode of inheritance for PKU?

MATCHING Match the appropriate term with the description. -PKU

Ultrasound can aid in the diagnosis of

Currently,some genetic conditions can be treated,but none can be cured.

Which of the following statements is FALSE regarding CVS?

Prenatal genetic diagnosis is used to determine

Recovering fetal cells present in the mother's blood can be difficult because

Some genetic disorders are found in higher frequencies in certain ethnic groups.

Amniocentesis is recommended when the mother is 35 years or older.This is because after age 35,

Ultrasound can be used to identify fetuses with trisomy 18 because it can directly visualize chromosomes in a cell.

Genetic testing can be used to identify all of the following EXCEPT those individual who

Which of the following statements about genetic screening programs across the United States is FALSE?

This type of testing is used to test unaffected members of a family with a history of a genetic disorder such as cystic fibrosis.

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

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 8: Genetic Testing and Prenatal Diagnosis

The Tay-Sachs screening program has actually led to an increase in the number of children born with the disease.

A 30-year-old man comes from a family with a history of Huntington disease.What type of testing should he be considering?

MATCHING Match the appropriate term with the description. -Sickle cell

MATCHING Match the appropriate term with the description. -Amniocentesis

MATCHING Match the appropriate term with the description. -CVS

MATCHING Match the appropriate term with the description. -Ultrasound

Distinguish between genetic testing and genetic screening.

What is the mode of inheritance for PKU?

MATCHING Match the appropriate term with the description. -PKU

Ultrasound can aid in the diagnosis of

Currently,some genetic conditions can be treated,but none can be cured.

Which of the following statements is FALSE regarding CVS?

Prenatal genetic diagnosis is used to determine

Recovering fetal cells present in the mother's blood can be difficult because

Some genetic disorders are found in higher frequencies in certain ethnic groups.

Amniocentesis is recommended when the mother is 35 years or older.This is because after age 35,

Ultrasound can be used to identify fetuses with trisomy 18 because it can directly visualize chromosomes in a cell.

Genetic testing can be used to identify all of the following EXCEPT those individual who

Which of the following statements about genetic screening programs across the United States is FALSE?

This type of testing is used to test unaffected members of a family with a history of a genetic disorder such as cystic fibrosis.

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

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