Recombinant chromosomes have too many copies of some genes and no copies of others, so gametes that receive the recombinant chromosomes cannot produce viable progeny.

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#Id: 7440

#Unit 5. Developmental Biology

The stalk is supported by a basal disc & the spore mass is is supported by the upper and lower cup

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#Id: 7441

#Unit 5. Developmental Biology

Dictyostelium has evolved developmentally regulated systems of cell-cell adhesion that are necessary for the morphogenesis of individual cells into a coherent organism.

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#Id: 7442

#Unit 5. Developmental Biology

There are three cell adhesion molecule are-

24 KDa glycoprotein (gp 24)- Ddcad1

80 KDa glycoprotein (gp 80)- Csa A

150 KDa glycoprotein (gp 150)- Lag C

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#Id: 7443

#Unit 5. Developmental Biology

gp 24– form loose aggregate

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#Id: 7444

#Unit 5. Developmental Biology

gp 80 – form tight aggregate

TLS Online TPP Program

#Id: 7445

#Unit 5. Developmental Biology

gp 150– help in migration of slug