Biology · PRINCIPLES OF INHERITANCE AND VARIATION

The genotypic ratio of a monohybrid cross \( 1/4\,TT : 1/2\,Tt : 1/4\,tt \) is mathematically condensable as a binomial expression:

1. A
   \( (1/2\,T + 1/2\,t)^2 \)
2. B
   \( (3/4\,T + 1/4\,t)^2 \)
3. C
   \( (1/4\,T + 3/4\,t)^2 \)
4. D
   \( (T + t)^2 \)