BIO 100 Independant Assortment Lab

BIO 100 Independant Assortment Lab - Olga Botea Bio 100...

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Olga Botea Bio 100 10/25/2010 Fly Data Genetics Lab Background Human beings have 46 chromosomes in total; We have 23 homologous pairs of chromo- somes. Each chromosome consists of genes that code for certain proteins which influence partic- ular traits. Half of your genes came from your father and half from your mother. Human being tend to look more similar to one of their parents, either their mother or fath- er. Independent assortment occurs during meiosis 1. When pairs of homologous chromosomes line up and the homologs begin to separate, the resulting combinations can be anything from a wide variety. Each daughter cell created will have genetic information from a random assortment of maternal and paternal chromosomes; This is known as the principle of independent assort- ment. Mendel’s principle of independent assortment began to be questioned once the chromo- some theory had undergone tests and become supported. At this point, it was widely accepted by scientists that there are X chromosomes from the mother and either X or Y chromosomes from
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This document was uploaded on 10/26/2011 for the course BIO 100 at UMass (Amherst).

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BIO 100 Independant Assortment Lab - Olga Botea Bio 100...

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