All GRE Subject Test: Biology Resources
Example Questions
Example Question #1 : Understanding Plant Development
Double fertilization in angiosperms results in a __________ zygote and a triploid __________.
Possible Answers:
diploid . . . seed
diploid . . . fruit
diploid . . . endosperm
haploid . . . fruit
haploid . . . endosperm
Correct answer:
diploid . . . endosperm
Explanation:
Double fertilization is the process by which two sperm cells are introduced to the ovule. One sperm () fertilizes the egg (), creating a zygote(). The other sperm combines with the two polar nuclei (), forming the endosperm () that will nourish the embryo.
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All GRE Subject Test: Biology Resources
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