Dictionary » J » Junk dna

Junk dna

Junk dna

That portion of dna which is not transcribed and expressed, comprising about 90% of the 3 billion base pairs of the human genome; its function is not known. Stretches of dna that do not code for genes; most of the genome consists of junk DNA.DNA that seems to have no apparent function and is therefore obsolete in its current [[genome.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Re: Theories - Origin of Life

... Here is a short post... How then is mutation (a change in the DNA sequence hence the genome) not a cause for Species Genesis... when basically ... explanation with my current understanding. An hybrid is kind of like a junk-yard car with incompatible parts. If you're combining Toyota parts, ...

See entire post
by wildfunguy
Sat Sep 28, 2013 5:21 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 893135

Re:

Never, ever, ever say junk DNA. People call junk DNA all DNA with unknown function it means all DNA which does not produce protein or ...

See entire post
by wiliamjack703
Thu Aug 22, 2013 6:36 am
 
Forum: Genetics
Topic: Junk DNA
Replies: 7
Views: 3496

Molecular gene (genome) concept scientifically untenable

... nearly six decades now, biologists have been promoting molecular gene (DNA) as the blueprint of life. The world now believes that it is a chemical ... (or the genes). The non-coding DNA (ncDNA) is referred to as “junk DNA”. Though structurally comparable to coding DNA, surprisingly, the ...

See entire post
by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 27445

Re: Theories - Origin of Life

... this time on Isochores Erwin Chargaff identified two Rules governing DNA. The first which gave Watson and Crick the necessary leg-up in identifying ... lineage specific mutational insertions affecting mostly the so called Junk DNA. Now here is the rub. Evolutionary theory posits that the Rat and ...

See entire post
by scottie
Tue Jan 03, 2012 12:15 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 893135

Re: Theories - Origin of Life

... set in. This is so exemplified in this cave animal vestigial and Junk DNA argument. Here we have a theory that, at it’s core, describes a process of random mutations ...

See entire post
by scottie
Thu Dec 29, 2011 12:57 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 893135
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 4,176 times. 
What links here | Related changes | Permanent link