UCI BIO 93 FINAL
Page 1 of 8
, What is an example of incomplete dominance?
A red and white snapdragon making a pink offspring
What is an example of co-dominance?
Blood cells.
What is Pleiotropy?
When a gene affects more than
one phenotypic character.
What is the norm of reaction?
The range of phenotypic possibilities
What are some example of polygenic inheritance?
Skin color and height
Norms of reactions are broadest for _____________ characters
polygenic
Genetic traits in humans can be tracked through what?
Family pedigrees
What is loosely packed chromatin called?
Euchromatin
What happens in histone acetylation?
Acetyl groups are attached to histone tails
What is the purpose of histone acetylation?
Page 2 of 8
Page 1 of 8
, What is an example of incomplete dominance?
A red and white snapdragon making a pink offspring
What is an example of co-dominance?
Blood cells.
What is Pleiotropy?
When a gene affects more than
one phenotypic character.
What is the norm of reaction?
The range of phenotypic possibilities
What are some example of polygenic inheritance?
Skin color and height
Norms of reactions are broadest for _____________ characters
polygenic
Genetic traits in humans can be tracked through what?
Family pedigrees
What is loosely packed chromatin called?
Euchromatin
What happens in histone acetylation?
Acetyl groups are attached to histone tails
What is the purpose of histone acetylation?
Page 2 of 8
