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Root

root

(Science: botany) The water- and mineral-absorbing part of a plant which is usually underground, does not bear leaves, tends to grow downwards and is typically derived from the radicle of the embryo.

See: adventitious. (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground.The part of a tooth that is embedded in the jaw and serves as support.The part of a plant that is found below ground level, responsible for the uptake of water and minerals from the surrounding soil. There are three main types of root, namely primary, secondary and adventitious, where the primary root forms the main backbon.


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mutation-selection balance

... in homozygotes, then q=√(μ/s), where s is again the selection coefficient for those who have a homozygous affected genotype. N.B. √ is square root in case it's not visible. What I don't get is why are the formulas different. For a dominant lethal allele p = μ, but for a recessive lethal allele ...

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by Monco
Mon Mar 04, 2013 10:41 pm
 
Forum: Genetics
Topic: mutation-selection balance
Replies: 0
Views: 60

bryophytes >advanced than green algae; >primitive than ferns

bryophyte has thallus but fern has true root,leaves and stem.

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by biolovers
Sat Dec 15, 2012 12:22 pm
 
Forum: Botany Discussion
Topic: bryophytes >advanced than green algae; >primitive than ferns
Replies: 2
Views: 1187

Re: Beet Root Pigment

could you elaborate

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by dstamp
Sun Oct 07, 2012 9:23 pm
 
Forum: General Discussion
Topic: Beet Root Pigment
Replies: 7
Views: 770

Beet Root Pigment

Normally pigments are used to better absorb the solar energy. So that begs to ask the question what is the function of root pigment.

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by dstamp
Sun Oct 07, 2012 4:30 pm
 
Forum: General Discussion
Topic: Beet Root Pigment
Replies: 7
Views: 770

Gene Frequency

... doesn't take long to realize that this will never happen unless p1=p2 is true. Furthermore, the further apart p1 and p2 are, the lower the square root of p1×p2 will be in comparison to (p1+p2)÷2 . When taking any two numbers (n1 and n2) and comparing their average to the square root of their product, ...

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by wildfunguy
Sun Sep 16, 2012 11:05 am
 
Forum: Genetics
Topic: Gene Frequency
Replies: 8
Views: 4021
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