BIOD 210 GENETICS
Fundamentals
Latest Review Exam
Q&A
2024
,1. Which of the following best defines genetics?
A. The study of how genes are inherited.
B. The study of how traits are passed from one generation to another.
C. The study of how DNA is replicated.
D. The study of how proteins are produced.
Answer: A. The study of how genes are inherited.
Rationale: Genetics is the branch of biology that studies how genes are
inherited from parents to offspring.
2. Which of the following statements about DNA is false?
A. DNA is a double-stranded molecule.
B. DNA contains the code for protein synthesis.
C. DNA is found in the nucleus of cells.
D. DNA contains all the genetic information of an organism.
Answer: A. DNA is a double-stranded molecule.
Rationale: DNA is actually a double helix structure, made up of two
intertwined strands of nucleotides.
3. What is the function of RNA in protein synthesis?
A. RNA serves as a template for DNA replication.
B. RNA carries the genetic code from the nucleus to the cytoplasm.
C. RNA helps assemble amino acids into proteins.
D. RNA controls gene expression.
Answer: C. RNA helps assemble amino acids into proteins.
Rationale: RNA plays a crucial role in protein synthesis by carrying the
genetic code from the DNA in the nucleus to the ribosomes in the
cytoplasm.
4. Which of the following is not an example of a genetic disorder?
A. Down Syndrome
, B. Cystic Fibrosis
C. Diabetes
D. Sickle Cell Anemia
Answer: C. Diabetes
Rationale: Diabetes is a metabolic disorder, not a genetic disorder.
5. Alleles are:
A. Different forms of a gene.
B. Units of heredity
C. Chromosomes
D. Genes
Answer: A. Different forms of a gene.
Rationale: Alleles are different versions of a gene that can produce
different traits.
6. Which of the following genetic disorders is caused by a mutation in the
CFTR gene?
A. Down Syndrome
B. Cystic Fibrosis
C. Sickle Cell Anemia
D. Huntington's Disease
Answer: B. Cystic Fibrosis
Rationale: Cystic Fibrosis is caused by mutations in the CFTR gene,
which codes for a protein involved in ion transport across cell membranes.
7. Why is genetic testing important?
A. To determine an individual's risk of developing certain diseases.
B. To identify carriers of genetic disorders.
C. To guide treatment decisions.
D. All of the above.
Answer: D. All of the above.
Fundamentals
Latest Review Exam
Q&A
2024
,1. Which of the following best defines genetics?
A. The study of how genes are inherited.
B. The study of how traits are passed from one generation to another.
C. The study of how DNA is replicated.
D. The study of how proteins are produced.
Answer: A. The study of how genes are inherited.
Rationale: Genetics is the branch of biology that studies how genes are
inherited from parents to offspring.
2. Which of the following statements about DNA is false?
A. DNA is a double-stranded molecule.
B. DNA contains the code for protein synthesis.
C. DNA is found in the nucleus of cells.
D. DNA contains all the genetic information of an organism.
Answer: A. DNA is a double-stranded molecule.
Rationale: DNA is actually a double helix structure, made up of two
intertwined strands of nucleotides.
3. What is the function of RNA in protein synthesis?
A. RNA serves as a template for DNA replication.
B. RNA carries the genetic code from the nucleus to the cytoplasm.
C. RNA helps assemble amino acids into proteins.
D. RNA controls gene expression.
Answer: C. RNA helps assemble amino acids into proteins.
Rationale: RNA plays a crucial role in protein synthesis by carrying the
genetic code from the DNA in the nucleus to the ribosomes in the
cytoplasm.
4. Which of the following is not an example of a genetic disorder?
A. Down Syndrome
, B. Cystic Fibrosis
C. Diabetes
D. Sickle Cell Anemia
Answer: C. Diabetes
Rationale: Diabetes is a metabolic disorder, not a genetic disorder.
5. Alleles are:
A. Different forms of a gene.
B. Units of heredity
C. Chromosomes
D. Genes
Answer: A. Different forms of a gene.
Rationale: Alleles are different versions of a gene that can produce
different traits.
6. Which of the following genetic disorders is caused by a mutation in the
CFTR gene?
A. Down Syndrome
B. Cystic Fibrosis
C. Sickle Cell Anemia
D. Huntington's Disease
Answer: B. Cystic Fibrosis
Rationale: Cystic Fibrosis is caused by mutations in the CFTR gene,
which codes for a protein involved in ion transport across cell membranes.
7. Why is genetic testing important?
A. To determine an individual's risk of developing certain diseases.
B. To identify carriers of genetic disorders.
C. To guide treatment decisions.
D. All of the above.
Answer: D. All of the above.
