The C+G/A+T ratio varies from organism to organism among the prokaryotes), but within (particularly the limits of experimental error, A=T and C=G. Related Theory Erwin Chargaff discovered that the number of nitrogenous bases in the DNA was present in equal quantities. The amount of A is equal to T, whereas the amount of C is equal to G, i.e., A=T;C=G
The following ratio is generally constant for a given species:
NEET UG 2004 — Zoology Evolution
2004mcqeasy
The following ratio is generally constant for a given species:
Official previous-year question
Held on 30 Apr 2004 · Verified 9 Jul 2026.
Options
- A
A+G/C+T
- B
T+C/G+A
- C
G+C/A+T
- D
A+C/T+G.
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