30nm fiber prophase (I, II) aneuploidy histone H1 metaphase (I, II) monsomic scaffold proteins anaphase (I, II) trisomic heterochromatin telophase (I, II) Down syndrome euchromatin cytokinesis deletion satellite DNA meiocyte duplication chromatid bivalent insertion centromere syanapse, pair up inversion metacentric synaptonemal complex translocation acrocentric reductional division non-disjunction telocentric equational division chromosome breakage holocentric leptotene polyploidy telomere zygotene x homologous pachytene monoploid non-homologous diplotene sterile chromatid diakinesis tetravalent sister chromatid crossing over octoploid non-sister chromatid chiasma (chiasmata) hexaploid interphase polar bodies triploid mitosis G1 endoreduplication prophase G2 endopolyploidy metaphase S salivary gland anaphase M chromosome telophase G0 polytene DNA polymerase interphase gene balance origin of replication n cellular network telomerase c chloroplast riboprotein replicated chromosome mitochondria Hayflick limit karyotype/karyogram endosymbiont HeLa autosome endosymbiont theory cytokinesis sex-chromosome organellar chromosome meiosis homogametic mtDNA gametes heterogametic 2.1 Define chromatin. What is the Can you tell from this information difference between DNA, chromatin which species has more DNA? Can you and chromosomes? tell which species has more genes? 2.2 Species A has n=4 chromosomes 2.3 The answer to question 2 implies and Species B has n=6 chromosomes. that not all DNA within a chromosome
30nm fiber histone H1 scaffold proteins heterochromatin euchromatin satellite DNA chromatid centromere metacentric acrocentric telocentric holocentric telomere homologous non-homologous chromatid sister chromatid non-sister chromatid interphase mitosis prophase metaphase anaphase telophase DNA polymerase origin of replication telomerase riboprotein Hayflick limit HeLa cytokinesis meiosis gametes prophase (I, II) metaphase (I, II) anaphase (I, II) telophase (I, II) cytokinesis meiocyte bivalent syanapse, pair up synaptonemal complex reductional division equational division leptotene zygotene pachytene diplotene diakinesis crossing over chiasma (chiasmata) polar bodies G1 G2 S M G0 interphase n c replicated chromosome karyotype/karyogram autosome sex-chromosome homogametic heterogametic aneuploidy monsomic trisomic Down syndrome deletion duplication insertion inversion translocation non-disjunction chromosome breakage polyploidy x monoploid sterile tetravalent octoploid hexaploid triploid endoreduplication endopolyploidy salivary gland chromosome polytene gene balance cellular network chloroplast mitochondria endosymbiont endosymbiont theory organellar chromosome mtDNA 2.1 Define chromatin. What is the difference between DNA, chromatin and chromosomes? 2.2 Species A has n=4 chromosomes and Species B has n=6 chromosomes. Can you tell from this information which species has more DNA? Can you tell which species has more genes? 2.3 The answer to question 2 implies that not all DNA within a chromosome