Boris Magasanik collected data on the amounts of the bases of RNA isolated from a number of sources, expressed relative to a value of 10 for adenine (B. Magasanik, in The Nucleic Acids: Chemistry and Biology, vol. 1, E. Chargaff and J. N. Davidson, Eds. New York: Academic Press, 1955). Amount Organism and tissue A G Rat liver nuclei 10 14.8 14.3 12.9 Rabbit liver nuclei 10 13.6 13.1 14.0 Cat brain 10 14.7 12.0 9.5 Carp muscle 10 21.0 19.0 11.0 Yeast 10 12.0 8.0 9.8
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
How do these ratios compare with the (A + G)/(T + C) ratio found in DNA? Explain.
![Boris Magasanik collected data on the amounts of the bases of RNA
isolated from a number of sources, expressed relative to a value of 10
for adenine (B. Magasanik, in The Nucleic Acids: Chemistry and
Biology, vol. 1, E. Chargaff and J. N. Davidson, Eds. New York:
Academic Press, 1955).
Amount
Organism and tissue
A
G
Rat liver nuclei
10
14.8
14.3
12.9
Rabbit liver nuclei
10
13.6
13.1
14.0
Cat brain
10
14.7
12.0
9.5
Carp muscle
10
21.0
19.0
11.0
Yeast
10
12.0
8.0
9.8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7d50630-534f-4ef5-b722-b17cf01b1378%2F573f4193-579f-4828-ab7f-e3cfb847b0da%2Farmlsv.jpeg&w=3840&q=75)
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