Name ______________________________________________________________________ Date ___________ Period ___________
Study Guide Sec 8.2
1. The formation of new organisms of the same species is called ____________________________________.
2. There are two types of reproduction: _____________________________ and __________________________________.
3. Reproduction that requires only one parent is ____________________________________________.
4. Most single celled organisms like bacteria and protozoans reproduce by _______________________
reproduction.
5. Mitosis and the cell cycle are examples of ____________________________ reproduction.
6. In asexual reproduction the ___________________________ cell divides and forms _____________ daughter
cells that are ____________________________ copies of the original cell.
7. _______________________ reproduction is a type of reproduction that involves special types of cells
called _________________ cells.
8. Sex cells contain ___________________ the number of chromosomes as _____________ cells.
9. Human body cells have ______________ chromosomes. Human sex cells have ___________ chromosomes.
10. Male sex cells are called _________________________. Female sex cells are called _________________.
11. In body cells, the chromosomes occur in ___________________, called ____________________________ pairs.
12. In meiosis, the cell goes through ___________________ (how many) divisions.
13. The final result of meiosis is ___________________ sex cells. Each sex cell has ______________ the number
of chromosomes of the original parent cell.
14. When male and female sex cells combine to form offspring, the offspring has the _______________
number of chromosomes. Half of the chromosomes come from the ________________ parent and
________________________ come from the female parent.
15. A complete set of chromosomes is called a ____________________ set. This set is made up of ____________
pairs of chromosomes.
16. A half set of chromosomes is called a _____________________ set.
17. _____________________________ is the union of egg and sperm to form a new organism.
18. A fertilized egg is called a ________________________________ and has a ___________________ set of
chromosomes.
19. A ____________________________________ is an organism at its earliest stages of development.
20. In the developing embryo, cells begin to __________________________________________. Cell
___________________________________ is the process of cell specialization.
21. After differentiation is complete, most cells _______________________ the ability to become other types
of cells.
22. Fill in the table below for a human cell.
Mitosis
Meiosis
Type of cell produced
Number of cell divisions
Number of cells produced
Number of chromosomes in each
cell (diploid or haploid)
23. A chicken has 78 chromosomes in its body cells. How many chromosomes are in its sex cells?
24. There are 38 chromosomes in the liver cells of a cat. The sperm of a male cat would contain
______________________ chromosomes.