Science 9 Review
Life Science Unit: Reproduction and Human Development
There were a number of new terms introduced during this unit; therefore you are encouraged to
create a definitions page which you will be allowed to use during your unit test. In order for it to be an
acceptable definitions page it must written in pen or pencil, not typed or photocopied.
Terms and definitions to include:
allelle
asexual reproduction
binary fission
budding
centromere
chromosome
dominant trait
embryo
eukaryotes
evolution
fertilization
fragmentation
gamete
genotype
grafting
hermaphrodite
heterozygous
homozygous
mitosis
nucleus
parthenogenesis
phenotype
prokaryotes
propagated
recessive trait
sexual reproduction
vegetative growth
zygote
Bigger Concepts to Review
Please write this information on a separate sheet from your terms and definition.
1. What is cell theory?
2. Fully explain where genes are stored in the cell and how they are transferred from one cell to
another.
3. What did Gregor Mendel contribute to the study of genetics? State the 7 traits he observed
when studying pea plants.
4. Explain how each parent both contribute to a child’s genetic code.
5. Be able to list possible genotypes and their resulting phenotypes. Be able to use Punnett
squares to determine the chances a child will have a particular trait.
6. Explain the cell cycle including all of its phases:
 Interphase
 G1 period
 S period
 G2 period
 Mitosis
 Prophase
 Metaphase
 Anaphase
 Telophase
 Cytokinesis
7. Be able to match diagrams of each of the phases of mitosis.
8. Compare the differences between asexual and sexual reproduction.
9. What are the advantages and disadvantages of asexual reproduction and sexual reproduction.
10. Compare male and female gametes.
11. Explain the differences between external and internal fertilization.
12. What two conditions must be met in order for sexual reproduction to be successful?
13. What are the four steps involved in sexual reproduction.
14. Explain in vitro fertilization.