Slide 1What happens after fertilization? A sperm enters an ovum, and the nuclei combine to form one with 46 chromosomes. More free powerpoints at www.worldofteaching.com…

Slide 1Todays Objective: 2.1 The student will list the germ layers and their derivatives The student will be able to sequence the stages of animal development Slide 2 Embryology…

Slide 1Biology 340 Comparative Embryology Lecture 9 Dr. Stuart Sumida Introduction to Early Mammalian Development Slide 2 If we were to turn directly to the early ontogeny…

Slide 1 Human Embryology Slide 2 Fertilization Fertilization- results in a zygote -requires the sperm & egg nucleus to fuse Slide 3 Sperm Structure Sperm- made of 3 parts…

Slide 1 PREGNANCY AND HUMAN DEVELOPMENT Chapter 28 Slide 2 Stages of Development Slide 3 Accomplishing Fertilization Fertilization=fusion of sperm and egg to produce a zygote…

Slide 1 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 chromosomes.…

Slide 1 Higher level- Menstrual Cycle Slide 2 Hormonal control in the menstrual cycle Four hormones involved: – FSH (Follicle Stimulating Hormone) – Oestrogen – LH…

Slide 1 Copyright © 2012 Pearson Education, Inc. Chapter 18 Development throughout Life Betty McGuire Cornell University Lecture Presentation Slide 2 Copyright © 2012 Pearson…

Slide 1 Growth and Development Chapter 21 Slide 2 Prenatal Period Prenatal period begins at conception and continues until birth (about 39 weeks) Science of fetal growth…

Slide 1 Tortora & Grabowski 9/e  2000 JWS 29-1 Development and Inheritance From fertilization to birth –fertilization –implantation –placental development –fetal…