GED SCIENCE LESSON 3

GENETICS

Competency: Examine the genetic basis of life.

Learning Objectives:

1. Distinguish between sexual and asexual reproduction.

2. Summarize the processes of mitosis and meiosis.

3. Relate the presence of DNA in cells to physical traits inherited.

Learning Activities:

___1. Read pgs. 40-41(mitosis), 50-57(DNA and Genetics) Steck-Vaughn GED Science

text and answer all the questions.

___2. Log on at killstutor.com and complete the Life Processes II and Genetics

exercises under Science I – Life Sciences.

___3 Draw a diagram to illustrate the life cycle of humans. Indicate when

and where mitosis and meiosis take place.

___5. Practice patterns of inheritance/genetics puzzles at the Windows to the Universe

Website.

dows.ucar.edu/tour/link=/earth/Life/genetics_inheritance.html

dows.ucar.edu/tour/link=/earth/Life/genetics_puzzle.html

___6. Visit Lew-Port’s Biology Place to view mitosis, meiosis, and DNA replication animations.

port.wnyric.org/jwanamaker/animations/mitosis.html - Mitosis

port.wnyric.org/jwanamaker/animations/meiosis.html -Meiosis

port.wnyric.org/jwanamaker/animations/DNA%20Replication%20-%20long%20.html - DNA replication

___7. Describe the relationship between DNA, genes, proteins, chromosomes and a

physical trait such as a cleft chin or eye color.

___8. Explain why sex cells contain half the number of chromosomes contained in body

cells.