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9 QuestionsShow answers
Question 1
SURVEY
30 seconds
Q. Which process increases the variability of genetic information?
answer choices
Mitosis
Meiosis
Question 2
SURVEY
60 seconds
Q. What process controls the future function or role of a cell?
answer choices
cell transformation
RNA translation
cell differentiation
DNA transcription
Question 3
SURVEY
60 seconds
Q. Which of the following best describes meiosis?
answer choices
cell division that occurs only in the reproductive structures of an organism
process prior to the first stage of the cell division
occurs in all cells of the body system
cell division that occurs in the repair process of damaged skin cells
Question 4
SURVEY
120 seconds
Q. The diagram above illustrates a process that occurs during meiosis. The likely result of this process is..?
answer choices
mutation in gametes
genetically diverse gametes
new types of cells forming
cancer cells in the ovaries
Question 5
SURVEY
30 seconds
Q. How many daughter cells result from meiosis?
answer choices
2
4
6
8
Question 6
SURVEY
120 seconds
Q. How do stem cells become specialized cells, like nerve cells, bone cells, or muscle cells?
answer choices
by expressing certain combinations of genes
by expressing certain combinations of genes
by expressing certain combinations of genes and repressing others
by expressing all genes
Question 7
SURVEY
60 seconds
Q. What technique is best for matching evidence left at a crime scene with a suspect's nasal swab?
answer choices
gene therapy
recombining DNA
genetic engineering
DNA fingerprinting
Question 8
SURVEY
60 seconds
Q. The separation of DNA fragments using electric current is called ______ and the banding patterns that result can be used to _______.
answer choices
chromosome painting; produce proteins
electrophoresis; compare various genomes for similarities
polymerase chain reaction; make copies of a small portion of DNA
restrictive sorting; analyze DNA structures in various organisms
Question 9
SURVEY
120 seconds
Q. Electophoresis draws individual strands of DNA across a gel gradient. This process displays the length of each piece of DNA in a unique code of lines. This allows scientists to-
answer choices
accurately identify and distinguish certain strands of DNA from others
recombine pieces of DNA from two or more organisms
study an organism's chromosomes and check for abnormalities