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Up mutation

up mutation

(Science: molecular biology) refers to any mutation in the promoter region of a gene which can trigger transcription initiation.

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Hyperadrenergic POTS

... neuropathic POTS. A specific genetic abnormality has been identified in a kindred with hyperadrenergic POTS. These individuals have a single point mutation in the norepinephrine transporter (NET). The resultant inability to adequately clear norepinephrine produces a state of excessive sympathetic ...

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by rmorrison
Wed Mar 19, 2014 5:38 pm
Forum: Human Biology
Topic: Hyperadrenergic POTS
Replies: 0
Views: 42

Polymorphism and Mutation

Just about numbers. A mutation is a change to a single individual that may or may not be propagated. For example a single point mutation where a base is replaced or deleted from a strand of DNA. This may cause the individual some discomfort ...

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by Babybel56
Wed Mar 05, 2014 3:39 am
Forum: Molecular Biology
Topic: Polymorphism and Mutation
Replies: 2
Views: 227

Polymorphism and Mutation

What is the difference between Gene Polymorphism and Gene Mutation :?: :?: :?: please give a clear concept. :|

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by Helics
Tue Mar 04, 2014 4:33 pm
Forum: Molecular Biology
Topic: Polymorphism and Mutation
Replies: 2
Views: 227

What makes dominant allele dominant?

... 2) it's not only about expression. The difference can be anywhere from transcription to protein post-translational modifications. There can be mutation in the promotor changing significantly expression. If the binding of ribosome will be impaired, there will be much less of protein made. Single ...

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by JackBean
Thu Feb 27, 2014 5:20 pm
Forum: Genetics
Topic: What makes dominant allele dominant?
Replies: 5
Views: 1084

How Does Natural Selection Create Ordered Variation?

... you'll select long wings. Here's why Because the changes in the environment will just as likely negate the effects of the previous beneficial mutation. As you know, mutations can be beneficial, harmful or neutral. This is based entirely on the environment. So therefore a species could evolve ...

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by Doom
Tue Jan 21, 2014 11:35 pm
Forum: Evolution
Topic: How Does Natural Selection Create Ordered Variation?
Replies: 7
Views: 1391
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