BIOA01H3 Lecture Notes - Lecture 14: Haplodiploidy, Giemsa Stain, Dna Replication

• School: UTSC
• Department: Biological Sciences
• Course: BIOA01H3
• Professor: Karen Williams

Document Summary

Williams - lecture 14 cp 12, 8 & 9. Bacterial chromosome made up of dna and proteins. Karyotype is used to looked at for dna number variations. Mice born from skin cells / skin cells must have dna just saying. Chromosomes (colored bodies) and the stuff of heredity: genetic units divided by mitosis. Telomerases: enzymes that extend dna at the end of the chromosomes, important in eukaryotic cells particularly, are active in cancer cells (usually inactive) Bacteria has a single circular chromosome: the origin of replication in bacteria is the first thing that happens. Chromosomes: made up of dna, (wound around histone proteins =nucleosomes)