Chapter 13 � Chromosomes

Chapter 13 � Chromosomes - chromosomes. The...

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Chapter 13 – Chromosomes, Mapping, etc. 02/03/2008 00:00:00 Morgan’s experiment proves sex-linkage of certain traits Females have two X chromosomes, males have an X and a Y.  In males, the Y is inactive In females, one X is deactivated for a respective cell Mitochondria and chloroplast do not exhibit chromosome theory of inheritance. Crossing over during meiosis produces independent assortment of 
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Unformatted text preview: chromosomes. The frequency of recombinant traits in progeny is a measure of genetic distance on a chromosome When genes are close together, the number of recombinant progeny is much lower than the number of parental progeny. o The genes are linked # of recombinant progeny/total progeny = recombination frequency o each 1% is a map unit 02/03/2008 00:00:00 02/03/2008 00:00:00...
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Chapter 13 � Chromosomes - chromosomes. The...

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