Polytene Chromosome Polytene Chromosome    Observed 1st time by E.G. Balbiani in 1881. Also known as Salivary Gland Chromosomes/ Giant Chromosomes. Found in the…

Cl e l Ncu ul s e A A t lfr Wiie i,h Fe E cc p da n r c om kp date re n yl e i ie o Cell nucleus 1 Cell nucleus In cell biology, the nucleus (pl. nuclei; from Latin nucleus…

Slide 1Gas: 2000 liters of methane gas released/day! Size : 6 tons 250kg food eaten every 100kg of elephant dung/day Gestation : 23 months Females give birth to single offspring…

Slide 1Controls Over Genes Chapter 14 Slide 2 Gene Control Which genes are being expressed in a cell depends upon: The type of cell Internal chemical conditions External…

Slide 1 Cavalli Lab Introduction in: Epigenetic regulation by Polycomb and trithorax group proteins Giacomo CAVALLI. Montpellier, December 2006 Slide 2 Cavalli Lab EuchrochromatinHeterochromatin…

Slide 1 Chapter 8 Human Karyotypes and Chromosome Behavior Slide 2 The banding patterns of human chromosomes The short arm of a chromosome is called “p” and the long…

Slide 1 Drosophila Genome How does it differ? Slide 2 Differences Drosophila lacks canonical telomeres and the ortholog of vertebrate telomerase. Instead it has a unique…

Slide 1 Proteins and Nucleic Acids Also featuring amino acids and polypeptides….. Slide 2 Nucleic Acids DNA and RNA are informational molecules in eukaryotic cells. They…

Slide 1 Movie Cell-Nucleus_stack.avi Confocal Laser Scanning Microscpy image stack of a Chironomus tentans salivary gland cell nucleus. The fluorescence was due to the protein…

Conservation of Hawaiian Drosophila using phylogenetic, ecological and population genetic data. Patrick M. OâGrady University of California, Berkeley Dr. Karl Magnacca Richard…