Natural Science Forum / Biology / Biology / October 2006

Seems to me that it is impossible to know and not safe to assume that
any given allele is the only one at a given locus, to be literally
fixated, with the numbers of all the reproduction of all the
individuals of all populations, it seems reasonable to consider that

Good afternoon to all the members in this group, I need some help with
a question that I need to answer for an assigment, the question is "Why
North American people are taller than Central American?", I would
really appreciate if you could give me a full scientific answer or if

hmmmm, my guess is an ant.  it would probably be bullet proof and be
able to lift cars in its jaws.

Let see, so far in previous related threads we agree Genesis is in
accordance with an extensive long term terraforming process.
We see How the water planet was picked and the terraforming process
began, including the development of the atmosphere.

I am a chemical engineer. I am searching for Milk Ultrafiltration. I
want to know,how does this system work. What is the structure of
system? What is the levels of system. Have you got an idea ? Please
respond me!!!

I am trying to do PCR and after doing electrophoresis and I notice
that there is contamination in negative control. I repeated the same
many times, by changing the samples under sterile conditions. I just
want to know is there any possibility to know the reason for

The candiru is the only parasitic vertebrate known to parasitize
human's. It is in the family of catfish's and is attracted to the
ammonia in human urine. This makes it a facultative parasite as it
normally parasitizes other fishes by attraction to the ammonia waste

Let me see if I have this straight:
One of the defining characteristics of a "species" is that members of
one species cannot reproduce with members of another species.
Evolutionary theory states that random genetic mutations are

Given that there is an incidence of 1 in every 20,000 live births
affected with Phenylketonuria (PKU) and 1 in 50 people carry the PKU
gene - and yet, this disorder is described as "relatively common"
regarding these frequencies... why is that so??

Hello Everybody warm wishes from India. I m working on real time PCR
analysis using soy lecithin DNA... anybody else working here on same
combination?
regards

Many of my forecasts have been wrong but some remarkable ones have come
true based on my scientific mind.
I forecasted that Iraq would split into 3 smaller countries soon in
2003 when the invasion had begun. Due to the fact that you cannot