Biology
NULL
Medium
Question
Double fertilization is feature of ____________?
A
Ferns
B
Whisk ferns
C
Gymnosperms
D
Angiosperms
✓ Official correct answer
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A
Ferns
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B
Whisk ferns
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C
Gymnosperms
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D
Angiosperms
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Explanation
Double fertilization, in which one sperm nucleus fertilizes the egg and another fuses with the polar nuclei to form the endosperm, is a defining feature of angiosperms (flowering plants).