Question

Please describe stutter. How does it happen (mechanism)? How can it affect DNA interpretation

Answer 1

Stuttering is a speech disorder It’s also called stammering or diffluent speech.

Stuttering is characterized by:
-repeated words, sounds, or syllables
-halting speech production .
-uneven rate of speech.
3 types of shuttering :-
* Developmental - Most common in children younger than 5 years old, particularly males, this type occurs as they develop their speech and language abilities. It usually resolves without treatment.
*Neurogenic - Signal abnormalities between the brain and nerves or muscles cause this type.

* Psychogenic- originates in the part of the brain that governs thinking and reasoning.

causes of stuttering :-
family history of stuttering, family dynamics,neurophysiology,development during childhood .Brain injuries from a stroke can cause neurogenic stuttering. Severe emotional trauma can cause psychogenic stuttering.Stuttering may run in families because of an inherited abnormality in the part of the brain that governs language. If you or your parents stuttered, your children may also stutter.

Stutter Peaks. Stutter peaks are found in almost every electropherogram. Stutter peaks are small peaks that occur immediately before or after a real peak. During the PCR amplification process, the polymerase can lose its place when copying a strand of DNA, usually slipping forwards or backwards four base pairs.