Some Indel Mutations Can Be Created Spontaneously as a Result

question 23

Essay

Some indel mutations can be created spontaneously as a result of errors during DNA replication.
a)Use diagrams to show how 1)insertions and 2)deletions are spontaneously created as a result of the replication of tandem repeats.
b)Give the term used to describe this process.
c)Name two human diseases that arise as a consequence of expanded trinucleotide repeats in DNA.
d)Describe two ways in which expanded trinucleotide repeats can cause disease.

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Definitions:

Secondary Appraisal

The process of evaluating the resources available and options for coping with a stressful situation after initially assessing the threat.

Progressive Muscle Relaxation

A technique that involves tightening and then relaxing each muscle group sequentially to reduce stress and muscle tension.

Physical Signs

Observable indicators that are often used to detect or monitor medical conditions through physical examination.

Angina

A condition marked by severe pain in the chest, often also spreading to the shoulders, arms, and neck, caused by an inadequate blood supply to the heart.