Chapter 4 Flashcards
1
Q
What’s complete dominance
A
• Dominance is complete when a heterozygote has the same phenotype as one homozygote.
2
Q
What’s incomplete dominance
A
• It is incomplete when the heterozygote has a phenotype intermediate between those of two parental homozygotes
3
Q
What’s codominance
A
codominance, the heterozygote exhibits traits of both parental homozygotes.
4
Q
What’s expressivity
A
• Expressivity is the degree to which a character is expressed.
5
Q
What’s penetrance
A
• Penetrance is the percentage of individuals having a particular genotype that exhibit the expected phenotype.
6
Q
What’s epistasis
A
one gene at one locus masks or hides the effect of another gene at a different locus.
