PPT-EMBRYO TYPES & STRUCTURE

Dr M BASTIN Assistant Professor Dept of Botany Annai Vailankanni Arts and Science College Thanjavur 613 007 INTRODUCTION Plant embryogenesis is the process that produces a plant embryo from a fertilized ovule by asymmetric cell division and the differentiation of undifferentiated cells into tissues and organs . General Description. A bridge is a structure built to cross a valley, road, railroad track, river, body of water, or any other physical obstacle, for the purpose of providing passage over an obstacle.. Created By: Haley . Vrazel. Objectives. Analyze . in great depth embryo . transfer. List and describe the . 4 . steps of embryo . transfer. Compare and Contrast AI with . ET. Argue the pros and cons of . Specialisation. Learning Objectives. Learn about totipotency of cells.. Learn about when totipotent cells are present and what their rol. e is.. Learn how these cells can lose their totipotency.. Learn about . Biochemistry. Explain how the human digestive and respiratory system exchange energy and matter with the environment. Describe the chemical nature of carbohydrates, lipids, and proteins and their enzymes. . Vrazel. Objectives. Analyze . in great depth embryo . transfer. List and describe the . 4 . steps of embryo . transfer. Compare and Contrast AI with . ET. Argue the pros and cons of . ET. What is Embryo Transfer?. Vrazel. . Objectives. Analyze . in great depth embryo . transfer. List and describe the . steps . of embryo . transfer. Compare and Contrast AI with . ET. Argue the pros and cons of . ET. What is Embryo Transfer?. (Monocot and . Dicot. ). The zygote gives rise to an embryo by a predetermined series of cell divisions and cell differentiations . This process is called . embryogenesis. . The . embryo . then germinates and grows into an adult plant. In seed plants, embryogenesis occurs within the embryo sac of the ovule. . Assistant Professor. Dept. of Botany. Annai. . Vailankanni. . Arts . and Science College. Thanjavur. – 613 007.. Introduction. Endosperm is the tissue produced inside the seeds of most flowering plants around the time of fertilization. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein. . Functions. Paper: Developmental Biology. Session: 2019-2020. Meaning of Placenta. The embryo, specially in eutherian mammals, becomes implanted to the ute­rine wall. The process of implantation in­volves tissue interaction and establishment of connection between the uterine wall and the extraembryonic membranes. The region of attachment between the embryo­nic tissue and the uterine wall is called the placenta and the process involved in im­plantation is called the placentation.. Dept. of Botany. Annai. . Vailankanni. . Arts . and Science College. Thanjavur. – 613 007.. APOMIXIS. Apomixis. was defined by Hans Winkler . What is . apomixis. ?. Replacement of the normal sexual reproduction by asexual reproduction, without fertilization.. tissue and . their main function is to provide starch and other . nutrients.  to the growing . embryo. . Types . of Seed. Depending on the utilization of the endosperm, there are two types of . You are preparing to select embryo(s) for a patient having a fresh, day 5 embryo transfer. Your patient is aged 37 years and has had one previous fresh, day 5 embryo transfer with a single top-quality blastocyst. The previous transfer resulted in a negative pregnancy test.  . BSc. 2. nd. year. F. l. o. w. e. r...... . It is a highly condensed and modified reproductive shoot that develops from a bud.. . Flower – a modified shoot……. A flower is defined as a modified shoot because it is a specialized structure developed to reproduce seeds. The function of the shoot is the transfer of water and nutrients. To perform the function of the reproduction, the shoots gets modified into flowers. The sepals and petals in flowers are considered as modified leaves. The shoot nature of a flower can be proved by citing the following major examples from the plant kingdom:-. Endosperm. One. . sexual. . reproduction. . occur. . in. . plants. . one. . of. . the. . male. . gamete. . get . fused. . with. . the. . female. . reproductive. . part. . or. . egg.