DNA Mutation

In this lesson you will use videos to review DNA, and learn about Genes and Mutations.

Watch each video and answer the questions that follow.

**You may complete this assignment mulitple times to increase your understanding (and grade)

DNA, Genes and Mutations

Multiple Choice

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Multiple Choice

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Multiple Choice

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Multiple Choice

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Multiple Choice

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Multiple Choice

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into
• something inside the nucleus
• a piece of DNA
• all of your DNA

Multiple Choice

What is the human genome?

• a piece of DNA
• a chromosome
• all of your cells
• all of your DNA

Multiple Choice

Which of the following does NOT describe this picture?

• humans' 46 chromosomes
• one gene
• the human genome
• humans' 23 pairs of chromosomes

Multiple Choice

How many chromosomes are found in each cell of your body?

• 46

• 23

• 40

• 45

Multiple Choice

What are genes?

• Pants

• Specific traits

• Sections of DNA arranged along the chromosomes

• Chromosomes

Multiple Choice

From smallest to largest how would genetic information be organized?

• genes, cell, nucleus, chromosome, DNA

• chromosome, cell, gene, DNA, nucleus

• DNA/nucleotides, gene, chromosome, nucleus, cell

• nucleus, cell, gene, DNA, chromosome

Multiple Choice

What are the three types of mutation? 

• Insertion, Deletion, Subsitution
• Deletion, Newstion, Subsitution 
• Newstion, Deletion, Insertion 
• Insertion, Newstion, Substitution 

Multiple Choice

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

• Substitution
• Deletion
• Insertion
• Inversion

Multiple Choice

What is the definition of DNA mutation? 

• The original DNA strand
• The strand with four pairs 
• A change in the DNA strand
• The strand in a double helix 

Multiple Choice

Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?

• deletion
• insertion
• silent
• transverse

Multiple Choice

Some mutations cause no apparent change to an organism.

• True

• False

Multiple Choice

Some mutations are beneficial for the organism.

• True

• False

Multiple Choice

A mutation where a base is left out of a genetic sequence is a _______________.

• translocation

• deletion

• insertion

• substitution

Multiple Choice

A mutation where a base is added is called a ____________.

• deletion

• insertion

• translocation

• substitution

Multiple Choice

A mutation where a different base is used in the place of another is a ______________.

• deletion

• insertion

• translocation

• substitution

Multiple Choice

DNA holds the code for

• lipids

• carbohydrates

• proteins

• sugars

Multiple Choice

What are the two steps of protein synthesis (in order)?

• Translation and Replication

• Transcription and Translation

• Replication and Transcription

• Replication and Mitosis