Slide 1Haploid vs Diploid Review Humans have 46 chromosomes – 23 from mom, 23 from dad When it comes to chromosomes, humans have two types of cells – Somatic Diploid…

Slide 1 Slide 2 Characteristics of Life Lesson 1 Slide 3 Invertebrates Slide 4 Identify the characteristics of animals. Identify cell differentiation in the development of…

Slide 1 Chapter 1- “The anatomical tradition” ______________- progressive change in multicellular organisms ___________- study of animal development _________________…

Slide 1 Identifying and sequencing stages of human embryonic development. Slide 2 An embryo is a multicellular eukaryotic organism in its early stages of development. In…

Slide 1 Animal Development Chapter 44 Slide 2 Fertilization The union of sperm and egg to form a zygote. It requires three main events occur. Slide 3 Stage 1- Attachment…

Lab Activity 35 Embryology Portland Community College BI 233 Fertilization A sperm can survive for 48-72 hours in the female reproductive tract It takes about 10 hours to…

Exercise 44 Embryology Portland Community College BI 233 Zygote A zygote is formed when the nucleus of the sperm and ovum combine to create a cell with 23 pairs of chromosomes.…

Chapter 11- Fish and mammals Zebrafish are becoming the sweetheart of developmental biologists Fig. 11.1 Large broods Breed year-round Easy and cheap Transparent embryos…