The sex chromosomes of plants were first discovered in
Flowering plants
Pteridophyta
Fungi
Algae
A
Algae
B
Fungi
C
Pteridophyta
D
Flowering plants
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Solution
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Sex determination method is well understood in animals but not in plants. Plants may be monoecious or dioecious but the mechanism of sex differentiation was not well understood. It now appears that at least higher or flowering plants may be having sex determination mechanism based on sex chromosomes like animals, as humans which have XX and XY system of sex determination.
So, the correct answer is option D.
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