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Showing posts from April, 2013

Important Definitions

CLONE :- Offspring from single parent, Morphology and genetically similar individuals.  CYST :- Hard covering around the organism protecting from anti environment. DIOECIOUS :- It is the condition in which either male or female reproductive organs are found in the same body of an organism. EMBRYOGENESIS :- It is the process of development of embryo from the zygote.. FERTILIZATION :- The union of two opposite types of gametes, spermatozoa and ova to produce single diploid zygote.  FISSION :- Division of nucleus with cytoplasm. FRAGMENTATION :- Division of breaking into distinct pieces each of which can produce an offspring. GEMMULE :- The parent individual releases a specialized mass of cells enclosed in a common opaque envelope called the gemmule. HERMAPHRODITE :- Organisms which have both male and female reproductive organs in the same individual. HOMOGAMETES :- When the two gametes of male and female are so similar in appearance that it is not possible to c