CMMB 403 Midterm Question and answers correctly solved

CMMB 403 Midterm Question and answers correctly solved CMMB 403 Midterm Two major changes of the mid-blastula transition - correct answer 1. Changes in the length of the cell cycle 2. Activation of zygotic genes Key aspects of gastrulation (3) - correct answer 1. Blastula turns into gastrula 2. Formation of blastopore 3. Germ layers move into their final positions What is a blastopore - correct answer Opening of central cavity in embryos Key aspects of organogenesis (3) - correct answer 1. Gastrula turns into neurula (once you see neural plate) 2. Formation of the neural tube 3. Tailbud What develops in the larval stage of frog development? - correct answer Gonads What material do germ cells develop from? - correct answer Germ plasm Describe the embryonic axes - correct answer Dorsal-ventral (belly-back) Anterior-posterior (Head-tail) Proximal-distal (Close-far) Oral-aboral (mouth-nonmouth)