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CBSE Class 10 Answered

please explain by chart !
Asked by | 06 Sep, 2009, 10:58: AM
Expert Answer

Parents            YYRR  (Yellow round)                                  yyrr (green wrinkled)

                              ↓                                                                      ↓

Gametes          YR                                                                     yr

                        On crossing the gametes  ↓

F1                                                                  YRyr  (yellow round)

 

Selfing of the hybrids obtained in F1 generation, gives the following:

Male gametes→

Female gametes ↓

YR Yr yR yr
YR YRYR YrYR yRYR yrYR
Yr YRYr YrYr yRYr yrYr
yR YRyR YryR yRyR yryR
yr YRyr Yryr yRyr yryr

                        Yello round: Yellow wrinkled : Green round : Green wrinkled = 9:3:3:1

Answered by | 09 Sep, 2009, 02:27: PM
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