BIO 235 - FINAL EXAM STUDY GUIDE
QUESTIONS AND ANSWER; LATEST
UPDATED VERSION 2026
__________ bacterial strains require nutritional
supplements in order to grow in minimal medium.
A. Auxotrophic
B. Prototrophic
C. Phototrophic
D. Heterotrophic
E. Autotrophic - correct answer- A
A cross between parents heterozygous for a character
with incomplete dominance is expected to give a
phenotypic ratio of:
A. 1:1
B. 3:1
C. 1:2:1
D. 12:7:1
E. Uniform progeny - correct answer- C
,A cross performed to determine a parent's hetero- or
homozygosity is a?
A. Backcross
B. Dihybrid cross
C. Allelic cross
D. Monohybrid cross
E. Testcross - correct answer- E
A process in which DNA is transferred from a bacterial
donor cell to a recipient cell involving cell-to-cell contact is
known as?
A. Specialized transduction
B. Generalized transduction
C. Transformation
D. Recombination
E. Conjugation - correct answer- E
A silent mutation is a nucleotide change in the DNA
sequence which
,A. Does not result in an amino change
B. Converts a sense codon to a non-sense codon
C. Causes a missense mutation, but the altered amino acid
has similar characteristics as the wild-type amino acid,
and the altered polypeptide remains functional
D. Causes a missense mutation, and the altered amino
acid differs from the wild-type amino acid, and the altered
polypeptide is dysfunctional
E. Results in a frameshift - correct answer- A
A species has 11 pairs (2n = 22) of chromosomes. How
many chromosomes will be found per cell in an individual
that is monosomic for one of the chromosome pairs?
A. 20
B. 21
C. 23
D. 24
E. 11 - correct answer- B (monosomy: 2n-1)
, A stretch of DNA sequence in the genome that is
composed of short (di-; tri-; tetra-; and penta-nucleotide)
repeats is a?
A. Long interspersed element (LINE)
B. Short interspersed element (SINE)
C. Linkage map
D. Microsatellite
E. All of the above - correct answer- ???
A virulent phage is a bacterial virus that:
A. Is also known as a temperate phage
B. Causes lysis of the infected bacterial cells immediately
upon infection
C. Has a life cycle with only a lysogenic phase
D. Is the copy of a bacteriophage integrated into the
bacterial genome
E. All of the above is true of a virulent phage - correct
answer- B
QUESTIONS AND ANSWER; LATEST
UPDATED VERSION 2026
__________ bacterial strains require nutritional
supplements in order to grow in minimal medium.
A. Auxotrophic
B. Prototrophic
C. Phototrophic
D. Heterotrophic
E. Autotrophic - correct answer- A
A cross between parents heterozygous for a character
with incomplete dominance is expected to give a
phenotypic ratio of:
A. 1:1
B. 3:1
C. 1:2:1
D. 12:7:1
E. Uniform progeny - correct answer- C
,A cross performed to determine a parent's hetero- or
homozygosity is a?
A. Backcross
B. Dihybrid cross
C. Allelic cross
D. Monohybrid cross
E. Testcross - correct answer- E
A process in which DNA is transferred from a bacterial
donor cell to a recipient cell involving cell-to-cell contact is
known as?
A. Specialized transduction
B. Generalized transduction
C. Transformation
D. Recombination
E. Conjugation - correct answer- E
A silent mutation is a nucleotide change in the DNA
sequence which
,A. Does not result in an amino change
B. Converts a sense codon to a non-sense codon
C. Causes a missense mutation, but the altered amino acid
has similar characteristics as the wild-type amino acid,
and the altered polypeptide remains functional
D. Causes a missense mutation, and the altered amino
acid differs from the wild-type amino acid, and the altered
polypeptide is dysfunctional
E. Results in a frameshift - correct answer- A
A species has 11 pairs (2n = 22) of chromosomes. How
many chromosomes will be found per cell in an individual
that is monosomic for one of the chromosome pairs?
A. 20
B. 21
C. 23
D. 24
E. 11 - correct answer- B (monosomy: 2n-1)
, A stretch of DNA sequence in the genome that is
composed of short (di-; tri-; tetra-; and penta-nucleotide)
repeats is a?
A. Long interspersed element (LINE)
B. Short interspersed element (SINE)
C. Linkage map
D. Microsatellite
E. All of the above - correct answer- ???
A virulent phage is a bacterial virus that:
A. Is also known as a temperate phage
B. Causes lysis of the infected bacterial cells immediately
upon infection
C. Has a life cycle with only a lysogenic phase
D. Is the copy of a bacteriophage integrated into the
bacterial genome
E. All of the above is true of a virulent phage - correct
answer- B
