Biology Quarterly #3 Review

What is recombinant DNA

• DNA from 2 different organisms combined

• DNA from 2 different ribosomes

• DNA that is separated out from a vector

Gel electrophoresis enables scientists to

• separate DNA fragments.
• combine DNA fragments.
• count the genes in DNA.
• insert DNA in cells.

Which is used to cut DNA molecules at specific points?

• gel electrophoresis
• PCR analysis
• a restriction enzyme
• recombinant DNA

Any change in the sequence of DNA is...

• transgenic shift
• Single Genotype
• Monohybrid Trait
• Mutation

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution
• Deletion
• Insertion
• Inversion

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

• no mutation
• substitution
• insertion
• deletion

What pairs with Adenine (A)? 

• Guanine (G)
• Cytosine (C)
• Adenine (A)
• Thymine (T)

What pairs with Thymine (T)?

• Adenine (A)
• Thymine (T)
• Guanine (G)
• Cytosine (C) 

What pairs with Guanine (G)?

• Adenine (A)
• Thymine (T)
• Cytosine (C)
• Guanine (G)

What pairs with Cytosine (C)?

• Guanine (G)
• Cytosine (C)
• Adenine (A)
• Thymine