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Gene

Definition

noun, plural: genes

(cell and molecular biology)

The fundamental, physical, and functional unit of heredity.


Supplement

It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism. It also specifies the structure of a protein, and an RNA molecule.

A gene is formerly called a factor.


Word origin: German Gen, from gen-, begetting, in Greek words (such as genos, race, offspring).
Derived forms: genetic (adjective).
Synonym: factor (obsolete).
See also: DNA, allele, recessive, dominant.


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Help With

Hey, so in my readings on recessive and dominant genetics, I have come across a question that is pretty basic but still stumping me (maybe from burning my eyes with endless hours of reading) Question: How would a mouse embryo differ from the ones ...

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by scienceguy914
Mon Sep 08, 2014 1:44 am
 
Forum: General Discussion
Topic: Help With
Replies: 0
Views: 47

STR analysis transfected cells

... and now just need to compare my derived cell line with the parent MCF-7 cells by microsatellite STR analysis. Since it is just an addition of one gene, should I expect the parental cell line and derived cell line to have the same STR profile?

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by kingmcb
Thu Aug 21, 2014 11:13 pm
 
Forum: Molecular Biology
Topic: STR analysis transfected cells
Replies: 0
Views: 200

Gateway technology

The point is that you get your gene into an universal vector from which you can easily transfer it into variety of destination vectors without any need of further PCR as PCR is often troublesome and introduces mutations.

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by JackBean
Wed Aug 20, 2014 6:42 pm
 
Forum: Molecular Biology
Topic: Gateway technology
Replies: 1
Views: 406

Gateway technology

... I understand, the gateway technology is a lab method to obtain cloning and expression vectors based on the property of phages to recombine its genetic material with bacterias. However, why do I need to perform the BP reaction, if I want to obtain an expression clone of a certain gene? Why can't ...

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by miibay
Tue Aug 19, 2014 10:47 pm
 
Forum: Molecular Biology
Topic: Gateway technology
Replies: 1
Views: 406

How is Mycoplasma a gram positive bacteria

... in the phylum Firmicutes, consisting of low G+C Gram-positive bacteria such as Clostridium, Lactobacillus, and Streptococcus based on 16S rRNA gene analysis.

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by erangasts2
Thu Aug 14, 2014 12:25 am
 
Forum: Microbiology
Topic: How is Mycoplasma a gram positive bacteria
Replies: 2
Views: 3020
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