Grade 10 Module 5 Assessment

What do you call the change or error in the gene?

• genetic engineering
• mutagen
• mutant
• mutation

What is the term used to describe the factors that affect error or alterations in base sequence?

• genetic engineering
• mutagen
• mutant
• mutation

A frame shift mutation is a genetic mutation that is caused by the insertion or deletion of a specific number of nucleotides that shifts the reading frame of the sequence.The insertion or deletion of how many nucleotides would cause a frame shift mutation?

• 2
• 3
• 6
• 9

How do mutations lead to genetic variation?

• by changing the organism's appearance
• by changing the way that the organism reproduces
• by changing the organism's behavior
• by producing random changes in an organism's genetic code

A piece of each chromosome has broken off and been reattached to the other chromosome, resulting in an exchange.The process that occurs when a section of a chromosome breaks off and reattaches to another chromosome is known as_______.

• deletion
• inversion
• nondisjunction
• translocation

What do you call the genetic mutation that causes a codon that should code for a specific amino acid to be changed into a stop codon?

• a chromosomal mutation.
• a frame shift mutation.
• a nonsense mutation.
• a silent mutation.

A genetic mutation that does not result in a change in the amino acid sequence of the resulting protein is called _______.

• a chromosomal mutation.
• a frame shift mutation.
• a nonsense mutation.
• a silent mutation.

This is a mutation that causes a section of the chromosome to be broken out and reinserted backwards. This is known as _______.

• deletion
• insertion
• inversion
• translocation

Persons with Down syndrome usually have ______ copies of chromosome 21.

• no
• one
• two
• three

If a segment of a chromosome is present several times more than normal due to unequal crossing-over, it is called ________.

• a deletion
• duplication
• an inversion
• a translocation