
Co-Dominant and Incomplete Dominance
Presentation
•
Biology
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
7 Slides • 11 Questions
1
Incomplete vs. Codominant Traits
2
Incomplete= hybrid is a third phenotype that only shows part of the dominant trait
Incomplete vs. Codominant Traits
3
Codominant= 2 dominant alleles, both are seen in heterozygous/hybrid
Ex. stripes or spots
Incomplete vs. Codominant Traits
4
Incomplete vs. Codominant Traits
5
6
Multiple Choice
Red= dominant
White= recessive
What is the genotype of the pink flower?
RR
Rr
rr
7
Multiple Choice
Incomplete dominance...
where their is a partial dominant trait in the heterozygous
always shows the dominant trait, as long as you have 1 capital letter
8
9
Multiple Select
What are the key words to think about for codominant traits?
Choose all that apply.
Blending of colors
Stripes
Spots
10
Multiple Choice
If....
R= red
W= white
What would be the genotype of the heterozygous?
RR
Red
RW
Red and White Stripes
WW
11
For each of the next questions, look at the picture and say what type of trait is being shown.
12
Multiple Choice
What trait is being shown?
Incomplete
Codominance
13
Multiple Choice
What trait is being shown?
Incomplete
Codominance
14
Multiple Choice
What trait is being shown?
Incomplete
Codominance
15
Multiple Choice
What trait is being shown?
Incomplete
Codominance
16
Multiple Choice
What trait is being shown?
Incomplete
Codominance
17
Multiple Choice
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
incomplete dominance
codominance
18
Match
Incomplete
Dominance
Codominance
A blending
strips and spots
Partial dominant trait
Get to see both dominant traits at the same time
Incomplete dominance
Codominance
Partial dominant trait
Get to see both dominant traits at the same time
Incomplete dominance
Codominance
Incomplete vs. Codominant Traits
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