Warm-up # 2 1/8/2015 What is fertilization? Sperm & Egg (Gametes/ sex cells) fuse Create zygote Compare and contrast cell differentiation and cell division.

Warm-up # 2 1/8/2015

• What is fertilization?• Sperm & Egg

(Gametes/ sex cells) fuse

• Create zygote

• Compare and contrast cell differentiation and cell division• Mitosis identical

daughter cells• Cell diff only occur in

stem cells

Review of Webquest

• 3. Why do fat cells give rise to more fat cells?

• Low potency many inactive genes

• 7. Potency: • The ability of a stem cell to differentiate into different cell types

• 13. What is a blastocyst? • A distinctive stage of development

that has two differentiated cell types

Stem Cell Article• Pair share summary of article

• Create story board representing what the article was about

TED talk• http://www.ted.com/talks/anthony_atala_gr

owing_organs_engineering_tissue/transcript?language=en#t-89340

• Explain why some cells, like liver, nerve, and pancreatic cells, are impossible to grow still today.

Homework• Read 11.2 & take notes

• Bring in signed consent form