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: 3878

#Unit 5. Developmental Biology

Prestalk cells act as altruists which die for dispersion of kin cells.

TLS Online TPP Program

#Id: 3879

#Unit 5. Developmental Biology

The emerging column of cells topples over called ‘the slug’.

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#Id: 3880

#Unit 5. Developmental Biology

Slug migrates to the top layer of the soil, where it proceeds to build the fruiting structure.

TLS Online TPP Program

#Id: 4734

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 4735

#Unit 5. Developmental Biology

In C. elegans

When sperm fuses with the egg cell membrane, polyspermy is prevented by the rapid synthesis of chitin by the newly fertilized egg.

TLS Online TPP Program

#Id: 4736

#Unit 5. Developmental Biology

The zygote of C. elegans exhibits rotational holoblastic cleavage.