Question 1

Tay-Sachs is an autosomal dominant disorder affecting lysosomes.

Accepted Answer

A) True 
 B)False

Question 2

MATCHING
Match the appropriate term with the description.
-PGD

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 3

A couple at risk of having a baby with a genetic disorder may have to choose between aminocentesis and chorionic villus sampling (CVS)for genetic analysis of their fetus.One main advantage CVS has over amniocentesis is CVS

Accepted Answer

A)  does not increase the risk of miscarriage. 
B)  can provide results much earlier in pregnancy. 
C)  can provide an actual image of the fetus. 
D)  provides more genetic information. 
E)  can be used prior to embryos being implanted in the mother. 
A)  does not increase the risk of miscarriage. 
B)  can provide results much earlier in pregnancy. 
C)  can provide an actual image of the fetus. 
D)  provides more genetic information. 
E)  can be used prior to embryos being implanted in the mother.

Question 4

Which of the following statements about adult polycystic kidney disease (ADPKD)is FALSE?

Accepted Answer

A)  Treatment options include kidney dialysis or transplantation. 
B)  There is a presymptomatic genetic test for ADPKD. 
C)  ADPKD typically affects individuals between the ages of 35-50. 
D)  ADPKD affects about 1 in 1,000 individuals. 
E)  Most individuals with ADPKD receive a kidney transplant. 
A)  Treatment options include kidney dialysis or transplantation. 
B)  There is a presymptomatic genetic test for ADPKD. 
C)  ADPKD typically affects individuals between the ages of 35-50. 
D)  ADPKD affects about 1 in 1,000 individuals. 
E)  Most individuals with ADPKD receive a kidney transplant.

Question 5

Genetic testing can be done on fetuses,newborns,children,and adults.

Accepted Answer

A) True 
 B)False

Question 6

All of the following are conditions that allow population screenings of carriers EXCEPT

Accepted Answer

A)  the disease must occur mainly in defined populations. 
B)  tests for carriers must be available. 
C)  tests for carriers must be fairly inexpensive. 
D)  there must be several options for at-risk couples to have unaffected children. 
E)  there must be a cure for the disease. 
A)  the disease must occur mainly in defined populations. 
B)  tests for carriers must be available. 
C)  tests for carriers must be fairly inexpensive. 
D)  there must be several options for at-risk couples to have unaffected children. 
E)  there must be a cure for the disease.

Question 7

Tay-Sachs disease

Accepted Answer

A)  is inherited as a dominant trait. 
B)  occurs at a higher frequency among African Americans. 
C)  affects individuals in adulthood. 
D)  can lead to deterioration of mental capabilities. 
E)  can be treated by controlling diet. 
A)  is inherited as a dominant trait. 
B)  occurs at a higher frequency among African Americans. 
C)  affects individuals in adulthood. 
D)  can lead to deterioration of mental capabilities. 
E)  can be treated by controlling diet.

Question 8

As more disease-related genes are located and characterized,and increased genetic screening becomes available,what changes,if any,do you think will occur in the human population's gene pool? Provide examples.

Accepted Answer

Answers will vary but should a

Question 9

Amniocentesis is typically recommended

Accepted Answer

A)  only if both of the parents have a known chromosomal abnormality. 
B)  if the mother will be 25 years or older when she gives birth. 
C)  if the parents have already had a child with a chromosomal abnormality. 
D)  if the father is affected by an X-linked disorder. 
E)  anytime a couple is expecting a child. 
A)  only if both of the parents have a known chromosomal abnormality. 
B)  if the mother will be 25 years or older when she gives birth. 
C)  if the parents have already had a child with a chromosomal abnormality. 
D)  if the father is affected by an X-linked disorder. 
E)  anytime a couple is expecting a child.

Question 10

Preimplantation genetic diagnosis (PGD)

Accepted Answer

A)  can be used to detect genetic abnormalities before the oocyte is fertilized. 
B)  can be used to detect genetic abnormalities before the embryo is implanted in the mother. 
C)  requires analysis of all of the blastomeres in the early embryo. 
D)  takes place after in vitro fertilization. 
E)  depends on direct microscopic analysis of embryonic cells. 
A)  can be used to detect genetic abnormalities before the oocyte is fertilized. 
B)  can be used to detect genetic abnormalities before the embryo is implanted in the mother. 
C)  requires analysis of all of the blastomeres in the early embryo. 
D)  takes place after in vitro fertilization. 
E)  depends on direct microscopic analysis of embryonic cells.

Question 11

Prenatal genetic testing is performed

Accepted Answer

A)  in order to understand developmental disorders. 
B)  to detect genetic disorders and birth defects in the developing fetus. 
C)  to identify if an individual will develop a genetic disorder in midlife. 
D)  to understand patterns of inheritance. 
E)  to determine if the parents are carriers of disease alleles. 
A)  in order to understand developmental disorders. 
B)  to detect genetic disorders and birth defects in the developing fetus. 
C)  to identify if an individual will develop a genetic disorder in midlife. 
D)  to understand patterns of inheritance. 
E)  to determine if the parents are carriers of disease alleles.

Tay-Sachs is an autosomal dominant disorder affecting lysosomes.

MATCHING Match the appropriate term with the description. -PGD

A couple at risk of having a baby with a genetic disorder may have to choose between aminocentesis and chorionic villus sampling (CVS)for genetic analysis of their fetus.One main advantage CVS has over amniocentesis is CVS

Which of the following statements about adult polycystic kidney disease (ADPKD)is FALSE?

Genetic testing can be done on fetuses,newborns,children,and adults.

All of the following are conditions that allow population screenings of carriers EXCEPT

Tay-Sachs disease

As more disease-related genes are located and characterized,and increased genetic screening becomes available,what changes,if any,do you think will occur in the human population's gene pool? Provide examples.

Amniocentesis is typically recommended

Preimplantation genetic diagnosis (PGD)

Prenatal genetic testing is performed

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

Tay-Sachs is an autosomal dominant disorder affecting lysosomes.

MATCHING Match the appropriate term with the description. -PGD

A couple at risk of having a baby with a genetic disorder may have to choose between aminocentesis and chorionic villus sampling (CVS)for genetic analysis of their fetus.One main advantage CVS has over amniocentesis is CVS

Which of the following statements about adult polycystic kidney disease (ADPKD)is FALSE?

Genetic testing can be done on fetuses,newborns,children,and adults.

All of the following are conditions that allow population screenings of carriers EXCEPT

Tay-Sachs disease

As more disease-related genes are located and characterized,and increased genetic screening becomes available,what changes,if any,do you think will occur in the human population's gene pool? Provide examples.

Amniocentesis is typically recommended

Preimplantation genetic diagnosis (PGD)

Prenatal genetic testing is performed

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