Ch 14 Flashcards
What is a character?
A heritable feature that varies among individuals (flower color )
What is a trait?
Each variant for a character (purple/white flower Color)
Advantages of using peas?
Available in many different varieties
Short generation time
Large #of offspring
Mating can be controlled
What is hybridization?
Plants that produce offspring of the same variety when they self-polinate
What is the P-generation?
True breeding parents
What is the F1- generation?
The hybrid offspring of the p-generation
What are alleles?
Alternative versions of traits
What is the law of segregation?
During gamete formation alleles segregate
Homozygous
= same alleles
Heterozygous
= different alleles
What is the law of independent assortment?
Alleles segregate independently
What is incomplete dominance?
When alleles fail to completely dominate recessive alleles
What is co-dominance
When two alleles both express functional proteins
What is antigen?
Gene that encodes glycoproteins on surface of red blood cells
