Sci 9 Lesson 4 April 6 - Meiosis

Homework from last class: ,[object Object],[object Object]

Quiz Time! ,[object Object],[object Object]

Chapter 6 pp. 191-197 Ch. 6.1 Meiosis

Meiosis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],Meiosis occurs in 2 phases: Meiosis I (1 st cell division) Meiosis II (2 nd cell division) Meiosis I Meiosis II

Spermatogenesis & Oogenesis Sperm formation Egg formation Meiosis I Meiosis II Spermatogenesis Oogenesis

[object Object],[object Object],Fig 6.4 p. 191

[object Object],[object Object],[object Object],Fig 6.5 p. 191

[object Object],[object Object],[object Object],[object Object],Fig 6.5 p. 191

[object Object],[object Object],[object Object]

[object Object],Fig 6.6A p. 192

[object Object],[object Object],[object Object],[object Object],[object Object],Fig 6.4 p. 191

[object Object],Fig 6.6B p. 193

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],Mutagens can cause chromosome mutations ,[object Object],[object Object]

[object Object],[object Object],[object Object],Diagnosing Genetic Disorders The chromosomes of an individual can be studied Karyotype: an image that shows the number of chromosomes a person has; used to diagnose genetic disorders Down syndrome karyotype

Homework for next class: ,[object Object],[object Object],[object Object],[object Object]

Works Cited ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sci 9 Lesson 4 April 6 - Meiosis

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