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Recombinant dna

Recombinant dna

(Science: molecular biology) Spliced dNA formed from two or more different sources that have been cleaved by restriction enzymes and joined by ligases. Genetically engineered dna made by recombining fragments of dna from different organisms.The joining together of genetic material from two different organisms.


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Meiosis prophase I crossover

“Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes.” http://en.wikipedia.org/wiki/Chromosomal_crossover Question: Due to the multiple layers of winding, how can parts of the chromosome break ...

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by gs99
Fri Mar 07, 2014 9:23 pm
 
Forum: Molecular Biology
Topic: Meiosis prophase I crossover
Replies: 0
Views: 2624

Re: Genetics Hard problem!

... information in Experiment II, estimate the minimum genetic map distance between the two genetic loci. (Note: One genetic map unit (m.u.) gives a recombinant frequency (RF) of 1 percent.) I scanned the whole passage in the attachment. Answer is 34 m.u. This is what I did: B+/ba x ba/ba (parental ...

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by Cat
Sun Jul 07, 2013 10:04 pm
 
Forum: PDF & Doc Files
Topic: Genetics Hard problem!
Replies: 2
Views: 4528

Calculating genetic distance

... marker A were 60 CC, 10 CL, and 4 LL. Calculate the genetic distance (cM) between marker A and pass1. I used the equation: Distance = (Number of recombinant chromosomes)/(Recombinant chromosomes+parental)) x 100 and got 13.51%, however, this does not seem to be the correct answer. Can anyone ...

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by SailorNorway
Sun Jun 30, 2013 11:36 am
 
Forum: Genetics
Topic: Calculating genetic distance
Replies: 0
Views: 752

meiome and genome

I thought eukaryote genetic inheritance came simply from the adding together of (recombinant) haploid chromosomes in the new zygote. But there is a lot of RNA involved? A crowd of unique proteins and mRNA in addition to the chromosomes in the gamete? See this: It ...

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by mattw
Sun May 05, 2013 2:58 am
 
Forum: Genetics
Topic: meiome and genome
Replies: 0
Views: 2579

Re: Gene targeting

... major's year sequence) microbiology cell biology molecular biology recombinant DNA techniques microbial genetics molecular genetics plant physiology evolution instrumental ...

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by jonmoulton
Thu Apr 25, 2013 6:11 pm
 
Forum: General Discussion
Topic: Gene targeting
Replies: 17
Views: 8047
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