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What is a gene?
The term "gene" was coined over a 100 years ago by Johansson and our understanding of what a gene is has obviously changed over the years with the advent of molecular biological techniques, large scale sequencing programs including ENCODE, etc. Additionally, genetics is a very wide study area comprised of sub-disciplines such as transmission genetics, molecular genetics and population genetics that may not all converge upon a single concept of a gene. You should write a biological essay, not a philosophical essay, to answer the question ‘What is a gene?'. You should also avoid direct quoting of definitions, etc: using your own words shows a greater level of understanding. Pray, L. (2008) What is a gene? Colinearity and transcription units. Nature Education 1(1): 97 Gerstein M. B. et al. (2007). "What is a gene, post-ENCODE? History and updated definition." Genome Research 17 669-681
Compared with the normal region of DNA, what unique characteristic does the DNA replication origin have?
This rise is proportional to the starting concentration of sucrose in the solution. A metabolic poison that blocks the ability of cells to regenerate ATP is found to inhibit the pH changes in the solution. Recommend a hypothesis accounting for these ..
Which of the following types of mammals occur worldwide?
What's the difference between meiosis and mitosis?
The steep gradient in temperature that occurs between ~200m and1000 m is called the
Why do skeleton making mesoderm cells (paraxial mesoderm) tightly control levels of cadherin, first up-regulating cadherin and then down-regulating cadherin during the first steps leading to the emergence of chondrocytes?
write a 700-1050 word paper on health care communication. details1. identify basic elements in the communication
Determine when an organism incorporates genetic material from another orgainism that is not its parent, this is know as
Which of the subsequent statements is true about phylogeny. The ancestral group frequently has all the synapomorphies of the descendant species.W hat phenotypes would be seen in the f2 and in what proportion.
Consider a cross between a pea plant that is heterozygous for round seeds and a pea plant that has wrinkled seeds. The allele for round seeds (R) is dominant over that for wrinkled seeds (r).
In maize the genes Pl for purple leaves (dominant over green leaves); sm for salmon silk ( recessive for yellow silk) and py for pigmy plant (recessive to normal size) are on chromosome 6 at positions 45, 55 and 65 respectively. Predict the propor..
Compare the recipes of nutrient agar and HE agar. If an organism can grow on both media, on which would you expect it to grow better? Why?
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