Animal Biotechnology Questions Online Test 12

1. A knockout mouse is so named because _____________

• it contains aggression genes
• it contains multiple copies of a human gene
• it contains an activated human gene
• none of the above

2. The first patent for a transgenic organism was awarded in 1988. Which organism was patented?

• A yeast used in industrial processes
• A bacterium able to metabolize components of crude oil
• A mouse that manufactures human protein in its milk
• Life forms cannot be patented

3. Gene targeting is done on a(n) _____________

• sperm cell
• egg cell
• fertilized ovum
• early embryonic cell

4. Recombinant DNA technology methods began in the _____________

• 1950's
• 1960's
• 1970's
• 1980's

5. ____________ are used to select genes of interest from a genomic library

• Restriction enzymes
• Cloning vectors
• DNA probes
• Gene targets

6. DNA will precipitate out of solution in a test tube of lysed cells when ______ is added

• ethanol
• water
• acetone
• acetic acid

7. What carries a DNA sequence into a host?

• Plasmid
• tRNA
• mRNA
• Vector

8. DNA does not occur in _______________

• Nucleus
• Ribosomes
• Mitochodria
• Plastids

9. The probability that a child in a particular family will inherit a recessive disorder is 1/4. If the parents have three normal children, what is the probability that their fourth child will inherit the disorder?

• 0
• 1/4
• 1/2
• 1

10. A________specimen is made by adding a dye to color only certain structures of a cell

• wet mount
• cultured
• highlighted
• stained

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