CMMB 403 Exam with 100% Correct Answers | Verified | Latest 2024 Version

CMMB 403 Exam with 100% Correct Answers | Verified | Latest 2024 Version Which animal's development is chick development most similar to compared to other species?Most similar to humans than other species talked about in lecture (like amphibians and flies) What is the Nieuwkoop Centre (NC)? When does it emerge during embryo development?Centre that induces the formation of the organizer and later the dorsal mesoderm; emerges during the late blastula stage How does the fish organizer and Niewukoop Centre (NC) compare to their amphibian counterparts?They have similar functions When during embryo development does the organizer develop? Where does the organizer form?Gastrula stage; organizer forms opposite to sperm entry What kind of cleavage do zebrafish embryos undergo?Discoidal meroblastic cleavage What is the fish organizer called?The embryonic shield What is the fish Nieuwkoop centre (NC)?The yolk syncytial layer directly below the shield (BUT NOT the entire yolk syncytial layer itself); this area is where nuclear localization of bcatenin is seen as it is what is forming the NC centre What is the key difference between fish zygotes undergoing development versus other zygotes?Fish zygotes do NOT undergo cortical rotation The yolk syncytial layer is at the margin between what 2 things in the zebrafish embryo?The blastoderm (which the organizer is a part of) and the yolk