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Reproduction In Organisms

Question

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Explain the significance of fertilization.

Solution

Significance of fertilization

1. The fusion of male and female pronuclei in fertilization restores the diploid number of chromosomes.

2. Fertilization initiates cleavage or segmentation.

3. The combination of the chromatin material from two different parents form the physical basis of biparental inheritance and variation.

Some More Questions From Reproduction in Organisms Chapter

Frog is ................... while human female is ....................

Testes lie in ................... while ovaries lie in ....................

In Rhizopus, asexual reproduction takes place by...................formation.

....................in Penicillium are formed on conidiophores.

In sweet potato, vegetative propagation takes place through............

In Bryophyllum vegetative propagation takes place through.............

Period of sexual maturity.

A mechanical and physiological connection between foetus and mother.

Repair of damaged tissue or redevelopment of lost part.

The zygotic nucleus.

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