Genetics Chapter 4 Quiz

A type of substitution where no amino acids change.

A mutation involving adding bases that alters the reading frame.

A genetic condition in boys characterized by XXY karyotype.

An abnormal number of chromosomes in a cell.

Also known as Patau syndrome, a type of aneuploidy involving three copies of chromosome 13.

A gene mutation caused by the substitution of one nucleotide for another.

Mutations are a significant source of genetic diversity in organisms.

Mutations that occur in non-gamete cells.

A mutation where one or more nucleotides are removed from the DNA sequence.

A mutation that results in the substitution of one amino acid for another in the protein.

A mutation that causes the protein to be truncated, leading to a shorter, nonfunctional protein.

Also known as Down syndrome, a condition with three copies of chromosome 21.

A mutation resulting from insertion or deletion that alters the reading frame of the genetic message.

Also known as Trisomy 18, a condition linked with three copies of chromosome 18.

A chromosomal disorder where females have one X chromosome (45,X).

Also known as Trisomy 13, it affects multiple systems in the body.

The tendency of genetic characteristics to vary within a species.

Reproductive cells (sperm and eggs) that carry half the genetic information.

Any change in the normal structure or number of chromosomes.