CBSE Class 12-science Answered
“Incompatibility is a natural barrier in the
fusion of gametes”. Justify the statement.
Asked by Topperlearning User | 11 Jun, 2014, 05:14: PM
Expert Answer
1. Nature has developed both structural as well as chemical barriers which restrict fertilisation in organisms.
2. Chemical incompatibility of pollen prevents fertilisation between unrelated plant species.
3. Structural barriers like placement of anthers and stigma at different positions prevent self pollination and promote cross pollination.
Answered by | 11 Jun, 2014, 07:14: PM
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