Molecular Basis Of Inheritance Ques 138

138. In a DNA percentage of thymine is $20 \%$ then what will be the percentage of guanine?[2002]

(a) $20 \%$

(c) $30 \%$

(b) $40 \%$

(d) $60 \%$

Show Answer

Answer : c

Hints & Solution

(c) According to Chargaff’s rule, the ratio of purine bases to pyrimidine bases is equal. $A=T, C=G$. If $T$ is $20 \%$ then $A$ is $20 \%$ and $C$ and $G$ are $30 \%, 30 \%$.



sathee Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! ЁЯМРЁЯУЪЁЯЪАЁЯОУ

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on

Please select your preferred language
рдХреГрдкрдпрд╛ рдЕрдкрдиреА рдкрд╕рдВрджреАрджрд╛ рднрд╛рд╖рд╛ рдЪреБрдиреЗрдВ