Dictionary » P » Phenotype

Phenotype

Definition

noun, plural: phenotypes

(1) The physical appearance or biochemical characteristic of an organism as a result of the interaction of its genotype and the environment.

(2) The expression of a particular trait, for example, skin color, height, behavior, etc., according to the individual’s genetic makeup and environment.


Supplement

Phenotypes result from the expression of the genes of an organisms as well as the influence of environmental factors and random variation. The interaction between these factors have often been represented by the following relationship:

genotype + environment + random variation → phenotype.


Word origin: NL phaeno- < Gk phaino- shining, comb. form of phaínein to shine, appear + -type.

Related forms: phenotypic (adjective), phenotypically (adverb).
Related phrases: MASS phenotype, thrifty phenotype.

Compare: genotype.


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Results from our forum


genotype ratio and phenotype ratio in X linked allege

Ok I how would I write out the genotype and phenotype for a X link recessive gene when after the punnett square the two females are not effect and the two males are effected?

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by greenchicken
Wed Mar 18, 2015 8:57 pm
 
Forum: Genetics
Topic: genotype ratio and phenotype ratio in X linked allege
Replies: 0
Views: 117

genotypic ratio and phenotypic ratio

Ok what would the genotype ratio and phenotype ratio be in the problem below RT Rt rT rt Rt RRTt RRtt RrTt Rrtt Rt RRTt RRtt RrTt Rrtt Rt RRTt RRtt RrTt Rrtt Rt RRTt RRtt RrTt Rrtt R round r wrinkled T tall t short

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by greenchicken
Wed Mar 18, 2015 8:53 pm
 
Forum: Genetics
Topic: genotypic ratio and phenotypic ratio
Replies: 0
Views: 91

Re: need help with some home work

... it, if you have a parent Aa cross with AA, you should get a baby with either AA or Aa right? However, it is possible to get a baby with recessive phenotype. The answer is yes for the third question too! This is how it works. uNDER special circumstances, a gene might be influenced by modifications ...

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by Youngji
Sun Feb 01, 2015 1:14 pm
 
Forum: Genetics
Topic: need help with some home work
Replies: 2
Views: 1024

I have got some BIG issues! forgive the long post

... (SeSe or Sese). The antibodies in the ABO system are mainly naturally occurring, i.e., they are non-red cell stimulated. frequency. Bombay phenotype is an extremely rare ABO group which derives the name "Bombay" because it was first discovered to exist among some people living ...

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by saddy51
Sun Jan 04, 2015 10:39 am
 
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
Replies: 1
Views: 1906

Re: Can human body hair disappear as a result of... clothing?

... more conflicting forces. So this situation becomes quite interesting. If the forces remain active for longer we may end up with the fitter phenotype e.g. hairy males and hairless females. Any further thoughts..? Hrushikesh

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by Hrushikesh
Sun Dec 14, 2014 7:13 pm
 
Forum: Evolution
Topic: Can human body hair disappear as a result of... clothing?
Replies: 4
Views: 1470
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