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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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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: 1
Views: 700

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: 2
Views: 1255

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: 4974

Genetics (dihybrid cross and Punnet sqares)

Just do a dihybrid cross utilizing a Punnet Square: HC and hc. Then work in the percentages you got from ... comes up on an exam, you won't know what to do. If you post an answer, I'll check back and tell you if you're right and if not, I can help you figure it out.

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by HelpPleaseThankYou
Wed Feb 29, 2012 9:41 am
 
Forum: Genetics
Topic: Genetics (dihybrid cross and Punnet sqares)
Replies: 1
Views: 1284

Reasons for Skepticism on the Endosymbiosis?

... (see this link for references). Electron micrographs displaying cross-sections of mitochondria portrayed the mitochondrion as a sphere. However, ... the genes need to be expressed correctly, as well as imported back into the mitochondria in order to be functional. All in all, mechanistic ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
 
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 3326
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