Chapter Nine

Chromosomes, Cell Division, and The Cell Cycle

Chromosomes

Chromatids

Centromere

Nucleosomes

Histones

Supercoiling

Cell cycle

Interphase

G1

S

G2

M

Cyclin Dependent kinase

Cyclin- Cdk complexes

Growth factors

Interleukin

Erythropoietin

Mitosis

Prophase

Metaphase

Anaphase

Telophase

Cytokinesis

Karyokinesis

Mitotitc center

Microtubules

Spindle fibers

Kinetochores

Metaphase plate

Meiosis

First Meiotic Division

Second Meiotic Division

Diploid

Haploid

Reductional Division

Equational Division

Homologs

Tetrads

Bivalents

Synapsis

Crossing over

Chiasma

Recombinants

Genetic Variability

Law of Independent assortment

Law of segregation

Non- Disjunction

Chromosomal accidents and anomalies

Trisomies

Monosomy

Down Syndrome

 Klinefelters Syndrome

Turners Syndrome

Cri du chat

Deletions

Insertions

Duplications

Translocations