Monday, February 13, 2012

Homework tonight:
7TH GRADERS:  Write up your data table based on your coin flips so we can tabulate class data tomorrow.  Definitions posted below:
1. Allele - A variant, or version, of a gene
2. Dominant - The genetic condition in which one copy of a version of a gene (an allele) in an individual gives rise to an observed trait.
3. Heterozygous An organism that has two different alleles for a specific trait.
4. Homozygous An organism that has two identical alleles for a specific trait.
5. Probability - likelihood of each possible outcome. Ex: Mendel found that the probability of a seed being green was about 1 out of 4 in every third generation  of pea plants. Also, a branch of mathematics studying the type and number of results to expect in a given number of trials or chances.
6. Random - unpredictable, without reason or pattern
7. Recessive - genetic condition in which a trait is not observed in the phenotype of a heterozygous individual.


6th graders: per 2- answer all AQs from todays lab - Note: use the new Laab-Aids link at the top of my links column, then go to the bottom of the page and click on student Log-In.  Also, copies were available in class today or use the online book and work on your lab reports -they are overdue and must be turned in ASAP. Per 3 - work on your lab reports -they are overdue and must be turned in ASAP.

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