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Which 2 scientists stated that endosperms were for reduction of female gametophyte?

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Which 2 scientists stated that endosperms were for reduction of female gametophyte?

(a) Chargaff and Franklin

(b) Nirenburg and Khoranna

(c) Watson and Crick

(d) Brink and Cooper

I have been asked this question in my homework.

My question is from Flowering Plants Reproduction topic in section Sexual Reproduction in Flowering Plants of Biology – Class 12

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Correct option is (d) Brink and Cooper

Explanation: According to Brink and Cooper (1940), endosperm is a tissue developed to compensate for the extreme reduction of female gametophyte in angiosperms.

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