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  • Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be  (a) double fertilization  (b) self pollination  (c) cross fertilization  (d) no fertilization

Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be 
(a) double fertilization 
(b) self pollination 
(c) cross fertilization 
(d) no fertilization 

 

Answers (1)

In the question it is given that two pink-coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny By the above definitions, nature will be cross-fertilization.

(a) double fertilization: one female gamete unites with two male gametes.
(b) self-pollination: the transfer of pollen from the anther of a flower to the stigma of the same flower
(c) cross-fertilization: fusion of male and female gametes from different individuals of the same species.
(d) no fertilization: Eggs fail to fertilize

Here fertilization of a plant using pollen from another plant of the same species is taking place. This is an example of cross-fertilization.
Therefore, option (c) is correct.

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infoexpert26

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