17.3 - Codominance Flashcards
What codominance is How codominance is represented in genetics An example of codominance in flower colour
1
Q
What is codominance?
A
Two different alleles are equally expressed
2
Q
How are codominant alleles represented in genetic diagrams?
A
Uppercase letter for gene
3
Q
What are the alleles for snapdragon flower colour?
A
CR (red)
4
Q
What phenotype does the CRCR genotype produce in snapdragons?
A
Red flowers
5
Q
What phenotype does the CWCW genotype produce in snapdragons?
A
White flowers
6
Q
What phenotype does the CRCW genotype produce in snapdragons?
A
Pink flowers
7
Q
What is the phenotypic ratio in the F2 generation of a Shorthorn cattle cross between red (CRCR) and white (CWCW)?
A
1 red : 2 roan : 1 white
