BIOL133 K002 Sum 2026: Exam 3- Chapters 12-15|Questions and
Answers Latest Updated (Graded A+)- American Military
University
Part 1 of 1 - 95.0/ 100.0 Points
Question 1 of 40
A child contains what proportion of their parent’s genetic makeup? 2.5/ 2.5 Points
A. 50:50
B. 33:67
C. 25:75
D. 40:60
Correct
Question 2 of 40
What statement describes X-linked traits? Select all that apply. 2.5/ 2.5 Points
A. Women can be carriers because they can be heterozygous for the trait
B. X-linked traits are more common in men
C. Males are never carriers since they only receive one X chromosome
D. Males inherit X-linked traits from their fathers
E. Women only have to have one affected gene to show the trait
Learning Objective: Identify non-Mendelian inheritance patterns such as incomplete dominance,
codominance, recessive lethals, multiple alleles, and sex linkage
Question 3 of 40
Nondisjunction during meiosis II will result in . 0.0/ 2.5 Points
1/14
, A. n
B. n-1
C. n+1
D. n+1 and n-1
E. n,n-1 and n+1
Incorrect
Learning Objective Text: Explain how nondisjunction leads to disorders in chromosome number
Question 4 of 40
Frameshift mutations occur when 2.5/ 2.5 Points
A. bases are added or deleted
B. there is an amino acid substitution
C. there is a transition substitution
D. transversion substitution
Correct
Question 5 of 40
There are a number of unique features to eukaryotic pre-mRNA splicing. Select all that apply. 0.0/ 2.5 Points
A. Introns are thought to encode specific subunits of proteins.
B. Introns likely slow down gene expression.
C. Introns need to be removed precisely to prevent mutations.
D. There are often multiple introns in a gene.
Learning Objective: Understand the significance of exons, introns, and splicing
Question 6 of 40
Low pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritone 2.5/ 2.5 Points
voice. This is an example of .
A. incomplete dominance
B. codominance
C. Mendelian genetics (dominance and recessive
D. multiple alleles
2/14
Answers Latest Updated (Graded A+)- American Military
University
Part 1 of 1 - 95.0/ 100.0 Points
Question 1 of 40
A child contains what proportion of their parent’s genetic makeup? 2.5/ 2.5 Points
A. 50:50
B. 33:67
C. 25:75
D. 40:60
Correct
Question 2 of 40
What statement describes X-linked traits? Select all that apply. 2.5/ 2.5 Points
A. Women can be carriers because they can be heterozygous for the trait
B. X-linked traits are more common in men
C. Males are never carriers since they only receive one X chromosome
D. Males inherit X-linked traits from their fathers
E. Women only have to have one affected gene to show the trait
Learning Objective: Identify non-Mendelian inheritance patterns such as incomplete dominance,
codominance, recessive lethals, multiple alleles, and sex linkage
Question 3 of 40
Nondisjunction during meiosis II will result in . 0.0/ 2.5 Points
1/14
, A. n
B. n-1
C. n+1
D. n+1 and n-1
E. n,n-1 and n+1
Incorrect
Learning Objective Text: Explain how nondisjunction leads to disorders in chromosome number
Question 4 of 40
Frameshift mutations occur when 2.5/ 2.5 Points
A. bases are added or deleted
B. there is an amino acid substitution
C. there is a transition substitution
D. transversion substitution
Correct
Question 5 of 40
There are a number of unique features to eukaryotic pre-mRNA splicing. Select all that apply. 0.0/ 2.5 Points
A. Introns are thought to encode specific subunits of proteins.
B. Introns likely slow down gene expression.
C. Introns need to be removed precisely to prevent mutations.
D. There are often multiple introns in a gene.
Learning Objective: Understand the significance of exons, introns, and splicing
Question 6 of 40
Low pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritone 2.5/ 2.5 Points
voice. This is an example of .
A. incomplete dominance
B. codominance
C. Mendelian genetics (dominance and recessive
D. multiple alleles
2/14
