Download Name: : ______ Notes 11.3 – Other Patterns of Inheritance THINK

Name:_______________________Period: ______
Notes 11.3 – Other Patterns of Inheritance
THINK ABOUT IT
1. What happens if one allele is not completely dominant over another?
2. Fill in the blanks…
BEYOND DOMINANT AND RECESSIVE ALLELES
3. What are some exceptions to Mendel’s principles?
a.
b.
c.
4. In most ____________, genetics is more complicated, because the majority of ________ have more than two
_________.
5. Many important _________ are controlled by more than one _________.
INCOMPLETE DOMINANCE
6. The F1 generation produced by a cross between red-flowered (___) and white-flowered (____) plants consists of
______-colored flowers (RW).
7. Cases in which one allele is not completely dominant over another are called ________________________.
8. TRUE/FALSE: In complete dominance, the heterozygous phenotype lies somewhere between the two
homozygous phenotypes. _______
CODOMINANCE
9. Define codominance:
10. What does the word “erminette” mean when describing chickens?
MULTIPLE ALLELES
11. A gene with more than _______ alleles is said to have _____________ ___________.
12. Fill in the blanks…..
POLYGENIC TRAITS
13. Polygenic means:
14. Polygenic traits often have a wide range of ____________.
15. Give two examples of human traits that are polygenic:
*
*
GENES AND THE ENVIRONMENT
16. TRUE or FALSE: The environment have a role in how genes determine traits. ____
17. _______________conditions can affect gene expression and influence genetically determined _______.
18. __________ provide a plan for development, but how that plan unfolds also depends on the __________.
19. TRUE/FALSE: The phenotype of an organism is determined only by its genotype. _____
20. How did the environment of the Western white butterflies affect their genotypes? Explain.
21. The _______________ in which the butterflies develop influences the ____________ of their genes for wing
______________.
22. True or False:
More pigmentation allows a butterfly to reach the cold body temperature faster. ____
23. Fill in the blanks…..
Room for Extra Notes: