genetic information

Question 1

What is the basic unit of genetic information?

Answer 1

Gene

Question 2

True or False: DNA stands for Deoxyribonucleic Acid.

Answer 2

True

Question 3

Fill in the blank: The structure of DNA is described as a __________.

Answer 3

double helix

Question 4

What are the four nucleotide bases in DNA?

Answer 4

Adenine, Thymine, Cytosine, Guanine

Question 5

Which base pairs with Adenine in DNA?

Answer 5

Thymine

Question 6

What is the process called by which DNA is copied?

Answer 6

Replication

Question 7

Multiple choice: What type of RNA carries amino acids to the ribosome? A) mRNA B) tRNA C) rRNA

Answer 7

B) tRNA

Question 8

What is the role of messenger RNA (mRNA)?

Answer 8

To transcribe genetic information from DNA and carry it to the ribosome.

Question 9

True or False: Mutations can be beneficial, harmful, or neutral.

Answer 9

True

Question 10

Fill in the blank: The genetic makeup of an organism is referred to as its __________.

Answer 10

genotype

Question 11

What is the observable expression of a genotype called?

Answer 11

Phenotype

Question 12

What is a chromosome?

Answer 12

A structure composed of DNA and proteins that contains genetic information.

Question 13

Multiple choice: How many pairs of chromosomes do humans typically have? A) 23 B) 46 C) 22

Answer 13

A) 23

Question 14

What type of bond holds the two strands of DNA together?

Answer 14

Hydrogen bonds

Question 15

True or False: RNA is double-stranded.

Answer 15

False