Asked by Emily Perez on Jun 20, 2024
Verified
Two polar nuclei in the central cell of the ovule fuse with the second sperm cell to form the first cell of the triploid ____.
A) embryo
B) zygote
C) egg cell
D) ovule
E) endosperm
Triploid
An organism or cell having three sets of chromosomes, often resulting from the fertilization of an egg by two sperm, or a combination of a diploid and haploid organism.
Polar Nuclei
Two nuclei in the ovule of flowering plants that fuse with one sperm cell during double fertilization to form the triploid endosperm, nourishing the developing embryo.
- Familiarize oneself with the importance of the developmental stages of the endosperm and embryo in plant reproductive mechanisms.
Verified Answer
NB
Nisarg BalarJun 26, 2024
Final Answer :
E
Explanation :
The fusion of two polar nuclei in the central cell of the ovule with the second sperm cell results in the formation of the first cell of the triploid endosperm, which provides nutrition to the developing embryo.
Learning Objectives
- Familiarize oneself with the importance of the developmental stages of the endosperm and embryo in plant reproductive mechanisms.