We are starting a new unit on genetics and heredity. Our first question involves a real rabbit family. "How did two baby rabbits, Patches and Chub Chubs, end up with black and white patches from their parents?" This will lead to a discussion of chromosomes, genes, DNA, and the human genome. We will later investigate the mother and father's allelles in a Punnett square to determine how the baby rabbits' characteristics came to be. Students will learn about the Human Genome project which investigated and sequenced all human DNA. Then we will learn about the smallest building block of genetics - DNA - and its base pairs adenine, thymine, guanine, and cytosine. We will also make a model of DNA with many base pair sequences.
Our semester and grade 7 Science course ends Jan. 13th so we are moving quickly to cover as much about genetics as we can.
Homework for the week of January 2nd to 6thMonday Jan. 2nd
*Write all homework in your Science notebook. See pgs. 475-476, glossary, and handout.
- Start your study guide. Do definitions of The human genome project, heredity, genetics, geneticists, chromosomes, genome, genes, and DNA. Also do a picture of chromosomes, and DNA. Put a title “Genetics Study Guide” and leave spaces between all your definitions. Leave another page for other definitions.
- What did scientists study in the Human Genome Project?
- List the parts of the human genome from largest to smallest.
- How many chromosomes does each human cell have?
- How many chromosomes come from the mother? From the father?
- What could happen if we had an extra chromosome or if we did not have enough chromosomes in our cells?
Tuesday Jan. 3rd
DNA questions (sheet)
Wednesday Jan. 4th
Finish study guide definitions in your notebook: traits, alleles, dominant, recessive, Gregor Mendel, Punnett Square, phenotype, genotype (See words on pg. 495, look on pgs. 476-483 and glossary)
Thursday Jan. 5th
Pg. 481 questions all
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