Last Quiz

Question 1

What is the structure of DNA?

Answer 1

Double helix

Question 2

What is mRNA?

Answer 2

Single stranded ribonucleic acid

Question 3

What is the entire system that includes DNA and RNA?

Answer 3

Central dogma

Question 4

Define introns.

Answer 4

Non-coding sequences removed during mRNA processing

Question 5

What is a mutation?

Answer 5

A change in the DNA sequence

Question 6

What is a frameshift mutation?

Answer 6

A mutation that alters the reading frame of the genetic code

Question 7

What is transcription?

Answer 7

The process of copying DNA into mRNA

Question 8

What is post-transcriptional modification?

Answer 8

Changes made to mRNA after transcription

Question 9

What is a silent mutation?

Answer 9

A mutation that does not change the amino acid sequence

Question 10

What is a missense mutation?

Answer 10

A mutation that results in a change in one amino acid in the polypeptide

Question 11

What is a nonsense mutation?

Answer 11

A mutation that creates a premature stop codon

Question 12

What does AUG code for?

Answer 12

Start codon

Question 13

What does UGA code for?

Answer 13

Stop codon

Question 14

What is the phenotypic ratio of a dihybrid cross?

Answer 14

9:3:3:1

Question 15

What is the genotypic ratio of a test cross?

Answer 15

1:1