UMKC BIO 108 EXAM 3 STUDY GUIDE
QUESTIONS AND ANSWERS GRADED A+
2026
Proper labeling of stock strains for geneticists is crucial. You cross a true-breeding black beetle
with a true-breeding red beetle. All offspring beetles were black. The name of the gene is B.
Your lab protocol states to label your samples for storage in this manner:
phenotype: genotype
How would you label your offspring for storage? - ANS black: Bb
Which of the following chromosomal events can result in a gene moving from one chromosome
to another chromosome? - ANS translocation
Which of the following levels of DNA packing represent the DNA in the least compacted form? -
ANS nucleosome
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, What is the process called that joins exons and removes introns from pre-mRNA molecules in
eukaryotic cells? - ANS splicing
A man is told by his doctor that he has an autosomal dominant genetic disorder. This means
___________. - ANS the gene is not located on a sex chromosome
A bacteriophage that reproduces by both lytic and lysogenics cycle is called a _______. -
ANS temperate phage
If two genes are linked they _______. - ANS are on the same chromosome
Which of the following statements about DNA polymerase and RNA polymerase is false? -
ANS DNA polymerase can elongate in both the 5' to 3' direction and in the 3' to 5' direction.
Which of the following RNA's carries a specific amino acid to the ribosome for recognition and
addition to the growing protein during synthesis? - ANS tRNA
Which of the following statements is applicable to the law of independent assortment? -
ANS The alleles of different characters segregate during gamete formation without influence
of the other characters.
A person is described as a carrier for a disease. Because this person is a carrier, which of the
following must be true?
1.)The disease is fatal, but the person does not get the disease until after child-bearing years.
2.)The person does not exhibit the disease.
3.)The person is heterozygous for the gene determining the disease - ANS 1.)False
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
QUESTIONS AND ANSWERS GRADED A+
2026
Proper labeling of stock strains for geneticists is crucial. You cross a true-breeding black beetle
with a true-breeding red beetle. All offspring beetles were black. The name of the gene is B.
Your lab protocol states to label your samples for storage in this manner:
phenotype: genotype
How would you label your offspring for storage? - ANS black: Bb
Which of the following chromosomal events can result in a gene moving from one chromosome
to another chromosome? - ANS translocation
Which of the following levels of DNA packing represent the DNA in the least compacted form? -
ANS nucleosome
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, What is the process called that joins exons and removes introns from pre-mRNA molecules in
eukaryotic cells? - ANS splicing
A man is told by his doctor that he has an autosomal dominant genetic disorder. This means
___________. - ANS the gene is not located on a sex chromosome
A bacteriophage that reproduces by both lytic and lysogenics cycle is called a _______. -
ANS temperate phage
If two genes are linked they _______. - ANS are on the same chromosome
Which of the following statements about DNA polymerase and RNA polymerase is false? -
ANS DNA polymerase can elongate in both the 5' to 3' direction and in the 3' to 5' direction.
Which of the following RNA's carries a specific amino acid to the ribosome for recognition and
addition to the growing protein during synthesis? - ANS tRNA
Which of the following statements is applicable to the law of independent assortment? -
ANS The alleles of different characters segregate during gamete formation without influence
of the other characters.
A person is described as a carrier for a disease. Because this person is a carrier, which of the
following must be true?
1.)The disease is fatal, but the person does not get the disease until after child-bearing years.
2.)The person does not exhibit the disease.
3.)The person is heterozygous for the gene determining the disease - ANS 1.)False
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
