Download 3U 1.7a Midpoint Review

1.7 SBI 3U/E - Genetics Unit test Topics
Introduction
 What are the three basic concepts of cell theory?
 What are the differences between prokaryotic and eukaryotic cells?
3.1 Principles of Cell division
 Why do cells divide?
 What are the benefits of sexual reproduction over asexual reproduction?
3.2 The Cell Cycle
 What is the importance of interphase?
 What is DNA called during interphase?
 What are the stages of mitosis?
3.3 A Cell Clock and 5.6 DNA Structure
 Know the structure of DNA (antiparallel, complementary base pairing etc)
 What three chemical compounds make up DNA?
 What are the complementary pairs and how many hydrogen bonds are between
them?
3.5 Cancer
 What is cancer?
 What are cancer cells and how are they different from normal cells?
 What causes a mutation to occur?
 What are antioxidants?
3.6 Meiosis
 Where does meiosis occur?
 Stages of meiosis (be able to draw stages if asked)
 How is crossing over different from independent assortment?
 When meiosis occurs in females, the cytoplasm is not divided equally among the
resulting four cells. Explain why.
3.7 Comparing Mitosis to Meiosis
 What are the similarities and differences?
3.8 Reproduction and Cell Division
 Compare the key similarities and differences between spermatogenesis and Oogenesis.
3.9 Abnormal Meiosis – Nondisjunction
 trisomy and monosomy
 What are characteristics (extra or missing chromosome / sex chromosome or
autosome chromosome) of Turner syndrome, Down syndrome and Klinefelter’
syndrome?
 Be able to draw a nondisjunction diagram of the sex cells.
 What is a karyotype charts?
Example of Terminology to Know
Adenine
Autosome chromosome
Cell cycle
Centromere
Chromatin
Chromosome
Complementary bases
Crossing over
Cytokinesis
Cytosine
Diploid
disorders
DNA
Eukaryotic
Gametes
Gametogenesis
Gene
Guanine
Haploid
Homologous chromosomes
Induced mutations
Karyotype
Klinefelter syndrome
Locus
Maternal
Meiosis
Metastasis
Mitosis
Monosomy
Nitrogenous Bases
non-disjunction
Nucleotide
Oocytes
Ootid
Paternal
Polar bodies
Prokaryotic
Purine
Pyrimidine
Sex Chromosome
spermatocytes
Sister Chromatid
Spermatogonium
Spindle fibres
Spontaneous mutations
Synapsis
Tetrad
Thermophiles
Thymine
Trisomy
Turner syndrome
ultrasound
Zygote