Name __________________________________________ Date ___________________________ Period _____________
Gregor Mendel Background Research
1. DO YOUR RESEARCH. Use a device (either at school or at home) to investigate the early life of Gregor Mendel.
Where did he live? What did he study? What was his occupation? Who were his parents? Did he have siblings?
2. Define genetics.
Gregor Mendel
3. Who was Gregor Mendel and what did he do in 1866?
4. Define inheritance/heredity.
Mendel’s PEAS
5. Give several reasons for why Gregor Mendel chose to study inheritance patterns using pea plants.
6. Mendel is often known as the “____________________________ ________ _________________________.”
7. What did Gregor Mendel notice regarding certain varieties of garden pea plants?
8. Draw and label the image in Figure 10.8.
9. The peas in the P (Parent) generation were all __________________ - _________________, also known as
true-breeding.
10. In the F1 (First filial) generation, all of the seeds were yellow. What did Mendel want to investigate?
11. Mendel then planted the yellow seeds of the F1 generation and allowed them to…
12. What were the results of the F2 (Second filial) generation?
Mendel’s Conclusions
13. What did Mendel conclude from his experiments with peas?
14. Define allele.
15. The trait that appears in the F1 generation is the ______________________________ form of a trait.
16. The trait that is masked in the F1 generation is the _______________________________ form of a trait.
17. Define homozygous.
18. Define heterozygous.
19. Use the “Vocabulary” box at the top right of page 279 to help you explain the word origins of homozygous and
heterozygous.
20. What is the difference between genotype and phenotype?
a. Genotype:
b. Phenotype:
21. What is explained in Mendel’s Law of Segregation?
22. Draw and label Figure 10.9 on page 279.
23. Draw and label Figure 10.10 on page 280.
Mendel’s Ideas Today
24. DO YOUR RESEARCH. What kind of impact has Mendel’s work had on our modern day understanding of
genetics?
25. Any additional interesting information you come across on Gregor Mendel.