Biology

=BIOLOGY= Teacher: Mr. Stone (stone2@uni.illinois.edu)

=**Homework**=

Study for test on Wednesday

=**Study Materials**=


 * Review Sheet Exam 4**

Be able to discuss the cause of Williams Syndrome. How is it manifested in termms of physical characteristics and distinctive abilities and disabilities?
 * 1)** **Video: William's Syndrome** ("Don't Be Shy, Mr. Sacks!")

Know vocabulary and concepts from pages 246-247, 270-271, and class discussion. Review your class notes.

Discuss Klinefelter Syndrome, Turner Syndrome, XXY, and other chromosome variations. What is mosaicism and how does it arise? List several sex chromosome mosaics.
 * 2) Influence of Chromosomes in Sex Determination, Mocaicism**

Info. on pages 248-252 can be on multiple choice questions. Major point question on mitosis: Diagram and label each of the stages of mitosis as well as interphase. Explain what is occuring during each stage. This should include each of the early, middle, and late stages discussed in class.
 * 3) Mitosis**

Info. on pages 248-252 can be on multiple choice questions. Major point question on meiosis: Diagram and label each of the stages of meiosis, starting with the original spermatocyte and ending with the formation of four haploid sperm. Explain what is occuring during each stage.
 * 4) Meiosis**

Review pages 271 to 274. Remember importance of crossing over.

Major point question: Diagrammatically contrast the major cell divisions that occur during meiosis in males and females, being able to label each of the stages. Why is the asymmetric division of cytoplasm adaptive in oogenesis?
 * 5) Gamete Formation**

Review pp.275-276.
 * 6) Comparison of Mitosis and Meisosis**

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