AP BIOLOGY

HEREDITY

MUTATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A chromosome is found to be shorter than it’s homologous match. Which type of mutation would this most likely be?
A
insertion
B
deletion
C
translocation
D
inversion
Explanation: 

Detailed explanation-1: -Some mutations can make chromosomes longer or shorter. Explain why the insertion or deletion of a single nucleotide can cause a frameshift mutation. Compare and contrast missense and nonsense mutations. A mutation that substitutes one nucleotide for another is called a mutation.

Detailed explanation-2: -The four main types of structural chromosomal aberrations are deletion, duplication, inversion, and translocation.

Detailed explanation-3: -A deletion, as related to genomics, is a type of mutation that involves the loss of one or more nucleotides from a segment of DNA. A deletion can involve the loss of any number of nucleotides, from a single nucleotide to an entire piece of a chromosome.

Detailed explanation-4: -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

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