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How does pistil recognise the pollen …

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How does pistil recognise the pollen grain of right type?

Posted by Sandhya Ghosh 6 years, 3 months ago

CBSE > Class 12 > Biology

1 answers

Anita Kumari 6 years, 3 months ago

When pollen grains germinate on pistil of stigma , they absorb the water present on it.Now the exine release chemicals (compatibility protein) which detect the right type of protien .if the protien is of ryt type than they can germinate and if wrong type of protein so they can not germinate.(chemical released by exine recognise the ryt type of protein).

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