LATG Chapter 10 Genetic Engineering
questions with correct answers.
Which of the following terms represents the hereditary information that is present in an animal?
a. Phenome
b. Proteome
c. Genome
d. Speciation ANS -c
What best describes a transgenic animal?
a. Animal with genes from an external source
b. Animal which has an abnormal number of chromosomes
c. Animal which has been transferred as an embryo to a foster mother
d. Animal in which the cells of the gonads have undergone a mutation ANS -a
What percentage of the genes in the genome of a mouse have a corresponding gene in the genome of
humans?
a. 20%
b. 40%
c. 80%
d. 100% ANS -c
Which of the following definitions best describes a transgene?
a. The section of DNA that will be deleted in a cell
b. A gene found in the genome of a large number of species
c. The section of a DNA molecule coding for a specific protein
d. The fragment of DNA introduced into the nucleus of a cell ANS -d
, Only a segment of DNA which originated in a living organism can be used as a transgene.
a. True
b. False ANS -b
What is the purpose of adding an antibiotic resistance gene into a DNA fragment before inserting it in a
cell?
a. It protects the transgene from destruction by bacteria.
b. It helps identify the cells which have integrated the transgene.
c. It protects the animal receiving the transgene from bacterial infection.
d. It promotes cell division. ANS -b
What are pronuclei?
a. Nucleus of the sperm or egg cell during the process of fertilization before fusion
b. Nucleus of the sperm or egg before injection of a transgene
c. Nucleus of the sperm or egg in which DNA has been removed
d. Nucleus of the sperm or egg cell after fertilization and fusion ANS -a
What is the method of genetic engineering most specific for introducing a transgene into a specific
location on a chromosome?
a. Transgene transfer
b. Phenotype copy
c. Pronuclear injection
d. Gene-targeted mutation ANS -d
Using the pronuclear injection technique, what is the average percentage of offspring
carrying the transgene?
a. 5%
b. 20%
c. 50%
questions with correct answers.
Which of the following terms represents the hereditary information that is present in an animal?
a. Phenome
b. Proteome
c. Genome
d. Speciation ANS -c
What best describes a transgenic animal?
a. Animal with genes from an external source
b. Animal which has an abnormal number of chromosomes
c. Animal which has been transferred as an embryo to a foster mother
d. Animal in which the cells of the gonads have undergone a mutation ANS -a
What percentage of the genes in the genome of a mouse have a corresponding gene in the genome of
humans?
a. 20%
b. 40%
c. 80%
d. 100% ANS -c
Which of the following definitions best describes a transgene?
a. The section of DNA that will be deleted in a cell
b. A gene found in the genome of a large number of species
c. The section of a DNA molecule coding for a specific protein
d. The fragment of DNA introduced into the nucleus of a cell ANS -d
, Only a segment of DNA which originated in a living organism can be used as a transgene.
a. True
b. False ANS -b
What is the purpose of adding an antibiotic resistance gene into a DNA fragment before inserting it in a
cell?
a. It protects the transgene from destruction by bacteria.
b. It helps identify the cells which have integrated the transgene.
c. It protects the animal receiving the transgene from bacterial infection.
d. It promotes cell division. ANS -b
What are pronuclei?
a. Nucleus of the sperm or egg cell during the process of fertilization before fusion
b. Nucleus of the sperm or egg before injection of a transgene
c. Nucleus of the sperm or egg in which DNA has been removed
d. Nucleus of the sperm or egg cell after fertilization and fusion ANS -a
What is the method of genetic engineering most specific for introducing a transgene into a specific
location on a chromosome?
a. Transgene transfer
b. Phenotype copy
c. Pronuclear injection
d. Gene-targeted mutation ANS -d
Using the pronuclear injection technique, what is the average percentage of offspring
carrying the transgene?
a. 5%
b. 20%
c. 50%
