TLS Online TPP Program

#Id: 6272

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 6273

#Unit 8. Inheritance Biology

DUPLICATE RECESSIVE EPISTASIS(9:7) Duplicate recessive epistasis, in which two recessive alleles at either of two different loci can suppress a phenotype. 

TLS Online TPP Program

#Id: 6274

#Unit 8. Inheritance Biology

Dominant recessive epistasis (13:3) Pigmentation in paddy rice

P  = purple

              pp=green

              I   =inhibitory gene

              PpIi × PpIi

                       

              P_I_=9  green

              P_ii = 3 purple

              ppI_=3  green

              ppii =1  green

TLS Online TPP Program

#Id: 6275

#Unit 8. Inheritance Biology

Duplicate Dominant gene interaction (15:1) When dominant allele of both gene loci produce  the same phenotype without cumulative effect.

TLS Online TPP Program

#Id: 6276

#Unit 8. Inheritance Biology

Duplicate gene interaction occurs in shepherds purse plant. 

op                                           tringular

                 A

                                                                                                     Tringular         

Top                                    tringular   

TLS Online TPP Program

#Id: 6277

#Unit 8. Inheritance Biology

Polymeric Gene interaction (9:6:1) The combination of two dominant alleles that intensifies the phenotype or creates a median variation. 

Long                                          circular

                        A                                                                     

                                                                                           Disc shape

                       

Long                                                    circular

                         B