Evidence---possible location of DNA on the Evidence:
baseball bat or similar weapon--- handle, end ---sweat, skin, blood(NOTE: ONLY IN WBC-presence of nucleus), tissue
eyeglasses ---nose or ear pieces, lens ---sweat, skin
facial tissue, cotton swabs ---surface area ---skin cells
used cigarette ---cigarette butt ---saliva
stamp or envelope ---licked area ---saliva
blanket, pillow, sheet---surface area ---sweat, hair, urine(CELLS, DNA, SUGAR CONTENT-probably diabetic, chemicals can be found e.g. steroid), saliva
fingernail, partial fingernail---scrapings--- blood, sweat, tissue
WHERE ARE DNA SOURCES?
NUCLEUS IN CELLS.
***red blood cells do not have nuclei.
How many chromosomes are there in each of our cell?
23 pairs.
DNA:
Where is DNA found in the human body?
Overview:
-From cells to chromosomes to DNa and traits
-Karotyping
-DNA extraction
-DNA fingerprinting
No comments:
Post a Comment