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LAWS PROPOSED BY MENDEL
MENDEL published his research papers experiments on plant hybridisation in 1866 in proceedings of natural history society of brunn.
a) law of dominance.
b) law of segregation.
c) law of independent assortment.
BUDDING
BUDDING IN HYDRA :
AN out growth is observed in the body of hydra.Protuberance is large enough and is multicellular.But they appear detaching.Bud bears separate mouth and tentacles.
BUDDING
BUDDING IN YEAST :
A small protuberance grows on the upper part of yeast cell.Nucleus divides automatically.Newly divided nucleus moves to bud.Repeated budding form the chain of cells.
BINARY FISSION
BINARY FISSION IN AMOEBA :
parent cell becomes elongated.Nuclear body elongates and gets ready to split. At point of fission cleavage or ferrow can be observed. Two daughter cells are formed.
BINARY FISSION AND BUDDING
Binary fission is a method of sexual reproduction especially in protozoans.Binary means 2 and fission means to split.In binary fission a living organisms divides into 2.
eg: bacteria,amoeba, paramezium etc