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Back cross

Back cross

(Science: genetics) a crossing of a heterozygous organism and one of its homozygous parents.

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Re: Irrefutable Facts Against Evolution

... SIGNIFY important events in history that show himself. Jesus will COME BACK on Feast of Trumpets some day. So we watch for that day at the Mount ... 53:9).Executers dividing up Jesus’s clothes after he died on the cross 10. MILLIONS of Muslims are seeing dreams of JESUS and ARE Converting ...

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by Meranda
Sat Feb 22, 2014 10:43 pm
Forum: Evolution
Topic: Irrefutable Facts Against Evolution
Replies: 52
Views: 77950

Re: Urea and membrane permeability of RBC

... extracellular solution. Water will go and find the osmoles. Water will cross into the cell until the osmolarity is the same inside and outside the ... to shrink as water comes out, but given a few seconds, the cell will go back to its original size. The urea concentration on the two sides of the ...

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by kidprof
Thu Aug 08, 2013 8:18 pm
Forum: Cell Biology
Topic: Urea and membrane permeability of RBC
Replies: 2
Views: 44842

Bio Research Paper Writing

... the research on cytokines that answers the question....I would think background on cytokines are extraneous....since any science major ought to ... by ATM and ATR which reduces cyclin-dependent kinases, many of which cross-talks with p53. CDK’s are then inhibited resulting in cell cycle arrest ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 3
Views: 18486

QRS complex

Go back to looking at physics of vectors of electrical charge. Vectors never cross and they are vectors that can be summed based on their components. If you think of the heart, electricity ...

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by daniel.kurz
Tue Mar 19, 2013 1:29 pm
Forum: Physiology
Topic: QRS complex
Replies: 4
Views: 6547

Re: Re:

... one would not expect from the allele frequencies. This effect is evened back out when the F1 interbreed to produce the F2 generation. The F2 has ... frequency, however, is not equal to p^2 as the population in this cross is NOT at equilibrium. Thus, the "math discrepancy" so to ...

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by Cat
Sun Sep 16, 2012 12:29 am
Forum: Genetics
Topic: Gene Frequency
Replies: 8
Views: 9824
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