BIO 311 Exam 4 Questions and Answers | Latest
Update | 100% Correct.
common characteristics of model organisms
-short generation time
-production of numerous progeny
-carry out controlled genetic crosses
-numerous genetic variants
DNA +histones
chromatin
haploid
cell that contains 1 copy of every chromosome
N=2
diploid
cell that contains 2 copies of every chromosome
2N=4
which phases make up interphase
G1, S, G2
mitosis (definition)
, separation of sister chromatids into different cells
cytokinesis
division of cytoplasm/physical serparation of cells
mitosis phases in order
interphase
prophase
prometaphase
metaphase
anaphase
telophase
cytokinesis
prophase
-chromosomes condense
-centromeres form the mitotic spindle and move into position on opposite sides of the cell
-sister chromatids are held together by cohesion at the centromere
-each chromosome possesses 3 chromatids
prometaphase
-nuclear membrane breaks down
-spindle microtubules attach to chromatids
metaphase
Update | 100% Correct.
common characteristics of model organisms
-short generation time
-production of numerous progeny
-carry out controlled genetic crosses
-numerous genetic variants
DNA +histones
chromatin
haploid
cell that contains 1 copy of every chromosome
N=2
diploid
cell that contains 2 copies of every chromosome
2N=4
which phases make up interphase
G1, S, G2
mitosis (definition)
, separation of sister chromatids into different cells
cytokinesis
division of cytoplasm/physical serparation of cells
mitosis phases in order
interphase
prophase
prometaphase
metaphase
anaphase
telophase
cytokinesis
prophase
-chromosomes condense
-centromeres form the mitotic spindle and move into position on opposite sides of the cell
-sister chromatids are held together by cohesion at the centromere
-each chromosome possesses 3 chromatids
prometaphase
-nuclear membrane breaks down
-spindle microtubules attach to chromatids
metaphase
