Double fertilization means that a. flowers must be pollinated twice to yield fruits and seeds. b. every egg must receive two sperm to produce an embryo. c. one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei. d. every sperm has two nuclei.

Video transcript

Hello everyone here's our next question. One of the sperm is needed to fertilize the egg and a second sperm is needed to fertilize the polar nuclei. This process is referred to as. So let's look at our choices here. Choice A says Parthenon carpi. Well Parthenon copy is the process where you have the development of a fruit without any fertilization. And this is obviously not the correct answer here because we are talking about two different fertilization events. So we're going to eliminate Choice A Choice B says Zygote formation. Well zygote formation refers to that process where you have sperm fertilizing egg and that is part of this process. But it's only half of the process. Since we have two fertilizations in the process we're talking about. So Choice B. Not a complete answer. Choice C. Says double fertilization and double fertilization is what we have going on here because we've got one fertilization of the egg and a second fertilization of two polar nuclei. The when the second sperm fertilizes two polar nuclei it forms a trip Lloyd. Endo sperm that will end up being part of the formation of the seed and providing food for the seed. So Choice C double fertilization is our correct answer. Finally we'll just look over at Choice D. Choice D. Says endo sperm formation and as we mentioned that's when the second sperm Fertilizes two polar nuclei and that ends up resulting in this trip Lloyd endo sperm in the seed. So choice D. Part of the process but only half. So not our correct answer. So again our correct answer. This question. This process of two fertilizations is C double fertilization. Thanks for watching See you next time.