Tuesday, November 30, 2010

Scibeost 11/30/10



Homework:

Packet pages 30 and 31





Today in class we talked about Meiosis. Meiosis is the process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell. Meiosis looks like this






Today in c;ass we also talked about Genetics. we went over some word like:


Allele- which is a form of a gene represented by a single letter(ie: a, A)


Homozygous-a homozygous has to like genes for a given trait, AA, BB, zz, dd.


Phenotype-the result of a genotype in regards to it's function or appearance. What a thing looks like (its traits).


Genotype-Genes that give a phenotype.



We talked about Gregor Mendel. He was the founder of genetics and also created the Punnentt Square.(below)








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