ANSC 3040 Final Questions With Complete Solution 2024

ANSC 3040 Final Questions With Complete Solution 2024 What characterizes an Ootid to go to a Zygote and what is this process called Correct Answer: fusion of the two nuclei to one. called Syngamy What characterizes the change from a Zygote to a 2 cell embryo Correct Answer: the one cell embryo will undergo cleavage and become a 2 cell What are 7 stages of early embryonic development Correct Answer: 1. Ootid 2. Zygote 3. 2-cell embryo 4. Morula 5. Early blastocyst 6. Hatching Blastocyst 7. Hatched blastocyst What characterizes a morula Correct Answer: when you can no longer count the amount of cells in the embryo What stage of embryonic development is when the inner cell mess and the trophectoderm form Correct Answer: early blastocyst What are the 3 steps in the hatching process Correct Answer: 1. blastocyst growth and fluid accumulation 2. production of enzymes by the trophoblast 3. contraction of the blastocyst What is the only stage of embryonic development that occurs in the uterus/uterine horn Correct Answer: the blastocyst Accumulation of maternal RNA and proteins accumulated in the ooplasm during.. and where Correct Answer: during= oogenesis in the ovary embryo genome activation and replacement of maternal-derived with embryo-derived transcripts starts to occur where Correct Answer: in the oviduct Embryo takes ownership of gene expression and cell biology of what embryonic stage? where is this located? Correct Answer: in the blastomeres in the uterine horn What happened during the fist round of cell differentiation in morulas to an early blastocoele (3) Correct Answer: 1. compactions of the morula and cells that are in the outer layer of the embryo will form tight junctions and form a layer of trophectoderm cells (creates the ICM in the blastocyst) 2. outer layers of of the compacted morula cells start to secrete a lot of Na and send it to the middle part