What happens after fertilization? A sperm enters an ovum, and the nuclei combine to form one with 46 chromosomes. More free powerpoints at .
Cell Determination & Cell Differentiation. Overview of birth lineage and death.
Early Development Review Zygote = 1 celled stage Cleavage=early cell division (no cell growth) Morula = solid multicelled embryo Blastula = “hollow”
By Lauren and Jocelyn. Fertilization The first step in embryonic development is fertilization (the joining of male and female gametes) Fertilization.
V D Latent Dorsalizing Factors The Point of Fertilization Orients the D/V Axis of the Frog.
23 Oct. 2014Embryology.ppt1 ANIMAL EMBRYOLOGY A brief essay on relationships of major animal groups.
Animal Evolution. I. Animal traits A. Heterotrophic B. Mobile C. Lack cell walls D. Possess nerve and striated muscle.
Aim: What happens after fertilization? Do Now: Describe the process of fertilization. A sperm enters an ovum, and the nuclei combine to form one with 46.
Animal Body Systems Objectives…(At the end of this lecture you should be able to): Summarize the functions of the digestive, respiratory, circulatory,
Animal Development Chapter 47. WHAT’S NEXT? Once copulation ends…
