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Unit 5 Reproduction Review Guide
*Study your flash cards
*Answer the following questions on separate paper.
1. Look at the following diagrams below and label them as either asexual or sexual
reproduction
2. How are sexual reproduction and asexual reproduction different (3 ways)?
3. How many chromosomes are in a human skin cell? In a sperm cell? In an egg
cell?
4. If a bullfrog has 90 chromosomes in each of its tongue cells, how many does it
have in its egg cells?
5. Why do cells need to divide (4 reasons)?
6. What is a chromosome? A gene?
7. Draw a diagram showing the process of fertilization, including the zygote. Label
the sperm cell, egg cell, and zygote.
8. What process creates sperm and egg cells?
9. What process does the zygote use to turn into an embryo?
10. Draw a diagram of a cell with a great big nucleus in it. Inside the nucleus, draw a
pair of chromosomes. Label the nucleus, chromosomes, DNA, and a gene.
11. Why do organisms that reproduce sexually tend to look different than either one
of their parents?
12. What body system produces sex cells in humans?