Genetics continued - Genetics(Ch 14 Continued 8:05:00 AM...

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Genetics (Ch. 14) Continued 20/03/2008 08:05:00 Fig. 14.15 Sickle Cell-affects hemoglobin-also affects oxygen transport Pleotropic-(Siamese cats also have crossed eyes in addition to their dark colored  bodies and light colored ears.  These two genes are linked.)(Chickens cant stand  heat so instead of smooth feathers, there are electrocuted feathers) Marfan’s-abnormal connective tissue-have large hands, very tall, long fingers.  Prominent sports figures have dropped dead on the court because of this  undiagnosed disease.  They die because  their aorta comes loose from their heart.  Abraham Lincoln was thought to have this disease. Multiple Alleles Most common type is human blood. Three types: A, B, and O Codominance in blood type yields AB.  These people show both A and B  blood cells. Blood type A can have genotype AA or Ao.  Has A antigen.  Makes type B  antibodies. Blood type B can have genotype BB or Bo.  Has B antigen.  Makes type A  antibodies. Blood type O can only have genotype oo.  Has no antigen.  Makes both A and  B antibodies. Blood type AB has genotype AB.  Has A and B antigens.  Makes no  antibodies. Rh factor (rhesus)  you can be Rh positive or Rh negative.  If neg. then you are - - if 
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This note was uploaded on 04/17/2008 for the course BY 123 taught by Professor Cusic during the Spring '07 term at University of Alabama at Birmingham.

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Genetics continued - Genetics(Ch 14 Continued 8:05:00 AM...

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