
Incomplete Dominance
Presentation
•
Biology
•
9th Grade
•
Hard
James Gonzalez
FREE Resource
4 Slides • 7 Questions
1
Incomplete Dominance
By Sierra Wedde
2
Heterozygotes in this pattern will express both alleles to some degree. There is always one that is dominant, but sometimes it's 90/10 and sometimes its 60/40.
Incomplete Dominance is interesting because it doesn't follow a TOTALLY predictable pattern.
What is incomplete dominance?
Some text here about the topic of discussion
3
While mylinated (darker) skin is dominant, it is incomplete domiance to non-mylinated (light) skin. This is why some familes can have kids of varrying skin tones, all from the same 2 parents.
Human skin tone is a great example of incomplete dominance!
4
Multiple Choice
Which puppies in this litter are showing incomplete dominance in their fur color?
White (yellow)
Black
Chocolate
5
Multiple Choice
Which horse coat color shows incomplete dominance?
Creme
Chesnut
Palomino
6
Multiple Choice
These two goldendoodles are brothers, and they both are showing incomplete dominance in their coat texture. If curly hair is dominanct, which doodle is only 60/40 for coat texture?
the one on the left
the one on the right
7
In codominance, both alleles are expressed fully- like spots.
In incomplete dominance, both alleles are expressed, but mixed together, and one is expressed more than the other.
How does incomplete dominance differ from codominance?
8
Multiple Choice
If black is dominant, than the kitten that is a darker tabby is probably showing ______ dominance, while the lighter tabby kitten is probably showing _____ dominance.
20/80; 80/20
80/20; 60/40
60/40; 80/20
9
Multiple Select
Belgian Shepards come in 4 types and all of them can pop up in one litter! Malinois (short coat) Laekenois (Wire coat) Shepard (Regular) and Turvuren (Long).
Malinois is dominant and Turvuren is recessive. Which coat types are incomplete dominant?
Laekenois
Turvuren
Shepard
Malinois
10
Multiple Choice
In one flower plant, some buds can be different shades of a color than their neighbor. On this plant, which flowers are showing a 90/10 incomplete dominance if the red is dominant?
the lighter pink
the darker pink flowers
the white flowers
11
Multiple Choice
Which Pit Bull Terrier is showing incomplete dominance?
Incomplete Dominance
By Sierra Wedde
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