Table of Contents
When a chromosome undergoes an inversion mutation information is?
An inversion is a chromosome rearrangement in which a segment of a chromosome is reversed end to end. An inversion occurs when a single chromosome undergoes breakage and rearrangement within itself. Inversions are of two types: paracentric and pericentric.
When DNA undergoes a deletion mutation DNA bases are?
Ap Biology : Example Question #4 Explanation: A deletion mutation occurs when a base pair is removed from the DNA sequence. In this case, a cytosine nucleotide has been deleted.
When a DNA sequence undergoes a deletion mutation information is lost what kind of mutation is this?
A deletion, resulting in a frameshift, results when one or more base pairs are lost from the DNA (see Figure above).
What is the name for a mutation that involves one nucleotide only?
Point mutations are a large category of mutations that describe a change in single nucleotide of DNA, such that that nucleotide is switched for another nucleotide, or that nucleotide is deleted, or a single nucleotide is inserted into the DNA that causes that DNA to be different from the normal or wild type gene …
What happens during deletion mutation?
A deletion mutation occurs when a wrinkle forms on the DNA template strand and subsequently causes a nucleotide to be omitted from the replicated strand (Figure 3). Figure 3: In a deletion mutation, a wrinkle forms on the DNA template strand, which causes a nucleotide to be omitted from the replicated strand.
What are the 4 types of chromosomal mutations?
deletion is where a section of a chromosome is removed. translocation is where a section of a chromosome is added to another chromosome that is not its homologous partner. inversion is where a section of a chromosome is reversed. duplication occurs when a section of a chromosome is added from its homologous partner.
What diseases are caused by deletion mutation?
Deletions are responsible for an array of genetic disorders, including some cases of male infertility, two thirds of cases of Duchenne muscular dystrophy, and two thirds of cases of cystic fibrosis (those caused by ΔF508). Deletion of part of the short arm of chromosome 5 results in Cri du chat syndrome.