WebDec 30, 2012 · metaethics, which reflect precisely this double demand and which also involve questions of methodology, play but a secondary role vis-a-vis concrete bioethical questions of application. Among the issues given special attention are abortion, gene technology and test-tube fertilization. Questions concerning WebAnswer 38) E is the answer. Double fertilisation involves two processes: * Syngamy: The fusion of male and female gametes occurs which leads to …. Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid zygote and a diploid endosperm. a diploid embryo and a triploid zygote. a triploid embryo and ...

Solved Double fertilization in an angiosperm produces a - Chegg

The female gametophyte, the megagametophyte, that participates in double fertilization in angiosperms which is haploid is called the embryo sac. This develops within an ovule, enclosed by the ovary at the base of a carpel. Surrounding the megagametophyte are (one or) two integuments, which form an opening called the micropyle. The megagametophyte, which is usually haploid, originates from the (usually diploid) megaspore mother cell, also called the megasporocyte. The n… WebFeb 14, 2015 · Double fertilization produces a diploid zygote and triploid endosperm. Double fertilization produces a triploid zygote and a triploid endosperm. See answers … mount snow discount tickets

Bio Test 2 Chapter 38: Plant Reproduction - Test 2 …

WebMay 4, 2024 · The second spermatium fuses with the polar nuclei to produce a triploid endosperm (Figure \(\PageIndex{5}\)). This event is called double fertilization. The endosperm will provide additional nutritive tissue for the growing embryo. After fertilization, the integument will close the micropyle and develop into the seed coat, protecting the seed. WebNov 9, 2024 · These twin fertilization events occurring in angiosperms or flowering plants are termed double fertilization. Once the fertilization process is over, an additional sperm can't enter. The fertilized embryo sac produces the seed while the ovary’s tissues become the fruit that envelops the seed. WebFeb 23, 2024 · observed that 0.8% of the seeds resulting from selfed ecs1 ecs2 double mutants produced plants with short siliques and small flowers. These plants were confirmed as haploid plants by flow cytometry and chromosome spreads, raising the question of if ecs1 ecs2 double mutants could be used as haploid inducers. Self and reciprocal crosses … heart month facts for kids