CHROMOSOMAL AND GENE MUTATION

Mutations are always harmful to an organism.

• True

• False

Trisomy 21, also known as Down Syndrome, is an example of a chromosomal mutation.

• True

• False

Gene mutations involve changes in the structure or number of entire chromosomes.

• True

• False

Nondisjunction occurs when chromosomes fail to separate properly during cell division.

• True

• False

Polyploidy is a type of mutation where an organism has more than two complete sets of chromosomes

• True

• False

What type of chromosomal mutation occurs when a segment of a chromosome is missing or lost?

What type of gene mutation occurs when one nucleotide is replaced by another?

Which chromosomal mutation happens when a segment of a chromosome is flipped in the reverse direction?

What type of gene mutation occurs when one base pair is added to a DNA sequence?

What term is used to describe the process of a chromosome being present in only one copy instead of two?