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Anemia

Definition

noun

A qualitative or quantitive deficiency of hemoglobin or red blood cells in circulation resulting in reduced capacity of the blood to carry oxygen to organs and tissues.


Supplement

Iron deficiency, excessive blood loss, excessive hemolysis, and ineffective hematopoiesis may result in anemia.


Word origin: New Latin, from Greek anaimiā : an-, without + haima, blood.
Related forms: anemic (adjective).

Variant: anaemia

Compare: polycythemia


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Re: Beneficial mutations vs harmful

... beneficial. Of these beneficial mutations, many are actually destructive, they just happen to help in that particular environment (eg. sickle cell anemia). Neutral mutations may or may not be proliferated as they have no beneficial or disadvantageous aspect. In the face of so much destruction, ...

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by Coelacanth
Sun Oct 13, 2013 6:08 am
 
Forum: Evolution
Topic: Beneficial mutations vs harmful
Replies: 12
Views: 8504

Beneficial mutations vs harmful

... beneficial. Of these beneficial mutations, many are actually destructive, they just happen to help in that particular environment (eg. sickle cell anemia). My question : In the face of so much destruction, how can occasional beneficial/constructive mutations add up evolution? My Conclusion : I ...

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by Doom
Mon Oct 07, 2013 6:20 am
 
Forum: Evolution
Topic: Beneficial mutations vs harmful
Replies: 12
Views: 8504

Re: Genetics Homeworkkk!!! PLEASE HELP

... problem: If parents are heterozygous and they have five children, what is the possibility of having the first and the fifth child with sickle-cell anemia?

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by runaway
Mon Nov 05, 2012 9:17 pm
 
Forum: Genetics
Topic: Genetics Homeworkkk!!! PLEASE HELP
Replies: 5
Views: 4052

Re: 'Evolution'-the most retarded myth ever.

... bulk amounts of NEW genetic information. Neofunctionalization for the most part is delusional (look at someone with trisomy). CF, PKU, sickle cell anemia- ONE base substitutions. Teachers INTENTIONALLY omit that sickle cell trait- a 'beneficial' mutation- is a LOSS of function mutation. The beta ...

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by Cat
Sun Oct 07, 2012 3:35 pm
 
Forum: Evolution
Topic: 'Evolution'-the most retarded myth ever.
Replies: 12
Views: 8955

'Evolution'-the most retarded myth ever.

... bulk amounts of NEW genetic information. Neofunctionalization for the most part is delusional (look at someone with trisomy). CF, PKU, sickle cell anemia- ONE base substitutions. Teachers INTENTIONALLY omit that sickle cell trait- a 'beneficial' mutation- is a LOSS of function mutation. The beta ...

See entire post
by jinx25
Sun Oct 07, 2012 1:21 pm
 
Forum: Evolution
Topic: 'Evolution'-the most retarded myth ever.
Replies: 12
Views: 8955
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