WebJan 25, 2011 · Oocyte retrieval procedures without embryo transfer were excluded from the study. Blood or urine β-hCG levels were tested 14 days after the embryo-transfer procedure to confirm biochemical pregnancy. The gestational sac seen on ultrasonography was used as evidence of clinical pregnancy 4 weeks after the embryo-transfer procedure. WebJun 2, 2015 · In an embryo sac, the cells that degenerate after fertilisation are: a. Synergids and primary endosperm cell b. Synergids and antipodals c. Antipodals and primary endosperm cell d. Egg and antipodals. NCERT Class XII Biology - Main Course Book Chapter 2. Sexual Reproduction in Flowering Plants Advertisement Expert-Verified Answer
In an embryo sac, the cells that degenerate after fertilisation are:
WebMar 27, 2024 · In a developed embryo sac there are 7 cells. All these are formed after 2,4,8 nucleate stages. It leads to the formation of the typical female gametophyte or embryo … WebNov 12, 2014 · Antipodal cells are a type of cell that is formed during female gametogenesis in most of flowering plants (Song et al., 2014). It has been proposed that antipodal cells undergo dPCD during... sims 3 pets horse accessories
Describe in detail the differences and similarities between the...
WebApr 12, 2024 · Chromogenic in situ hybridization revealed that the virus invades the shoot apical meristem and the ovule, including the embryo sac, of RBDV-infected Nb plants; however, in seeds that developed from infected embryo sacs after fertilization by virus-free sperm cells, RBDV was absent in the embryos and present in the endosperms. WebApr 11, 2024 · STIGMA STYLE OVARY OVULE EMBRYO SAC NUCELLUS MICROPYLE POLLEN TUBE ANTIPODAL CELLS Fig. 5.6 Germination of pollen and fertilization (diagrammatic) A-Pollen grains germinating on stigma, one pollen tube has entered ovule, B-A mature pollen grain, C-Pollen grain beginning to germinate, D-Germinated pollen grain, E … WebAfter fertilization, these cells degenerate. Concept note-5: -Synergids and antipodals are the cells that are present in the embryo sac at the time of fertilization. Once the fertilization of … rbc global markets rotation porgram