Student Name _________________________________
Our Genes Our Selves Unit Review
1. Offspring that are the result of sexual reproduction are _______________ to
their parents.
2. How are traits determined?
3. What occurs during sexual reproduction?
4. Are humans the only organisms that reproduce sexually?
5. What part of the cell contains the genetic information?
6. Why did Mendel study pea plants?
7. What kind of plants (homozygous or heterozygous) did Mendel use? Why?
8. What causes inherited diseases?
9. What is an example of asexual reproduction?
10. What is the only reason an offspring of asexual reproduction is not
identical to the parent?
11. Define Homozygous and Heterozygous.
12. Define Genotype and Phenotype.
Student Name _________________________________
Our Genes Our Selves Unit Review
13. Create a Punnett Square that shows the results of a homozygous
dominant plant crossed with a heterozygous parent. What is the ratio of
dominant to recessive offspring?
14. To determine a trait, what percentage of genes
come from each parent?
15. When you look at a pedigree, how can you tell if a genetic condition is
dominant or recessive?
16. Who is known as the father of modern genetics?
17. What is a carrier?
18. If two parents are both carriers for a genetic trait, what are the chances
that they will pass on this trait to their offspring? Use a Punnett Square to
show your answer.
19. What is a dominant trait?
Student Name _________________________________
Our Genes Our Selves Unit Review
20. What is a genetic mutation?
21. Breeding of humans cannot be done in laboratories. What methods are
used to help understand human genetics?
22. What kind of plants did Gregor Mendel use?
23. What is an allele?