Saved Bookmarks
| 1. |
Unable to understand this paragraph |
Answer» AnswerMENDEL's monohybrid cross represented the F2 generation to be in the GENOTYPIC ratio 1:2:1 i.e., TT:Tt:tt. This is condensable in the form of a BINOMIAL expression ( ax + by )² as ( 1/2T + 1/2t )² where a & b=1/2. This is because the GAMETES segregate with a FREQUENCY of 1/2 i.e., Mendel's law of segregation. ( 1/2T + 1/2t )² = (1/2T + 1/2t ) × (1/2T + 1/2t ) = 1/2.1/2TT + 1/2.1/2Tt + 1/2.1/2Tt + 1/2.1/2tt = 1/4 TT + 1 /4Tt + 1 /4Tt + 1/4tt = 1/4TT + 1/2 Tt + 1/4tt which is exactly equal to the genotypic ratio of plants obtained at F2. |
|