Incomplete and codominance practice #1
Directions: Read each statement and determine the pattern of inheritance.
1. Birds can be blue, white, or white with blue-tipped feathers.
2. Flowers can be white, pink, or red
3. A hoo can have curly hair, spiked hair, or a mix of both curly and spiked.
4. A sneech can be tall, medium, or short.
5. A Bleexo can be spotted, black or white.
Trolls can have red, blue or purple hair. The allele that controls this trait is INCOMPLETELY
DOMINANT, where purple hair is caused by the heterozygous condition.
genotype
phenotype
BB
red
BR
Stanley has purple hair and is married to Julia who brags that she has the bluest blue hair in the
valley.
a. How many of Julia's children will be able to brag about their blue hair also?
%
b. How many will take after their father
%
C. Show a cross to prove your answers.
d.
One of Julia's children is born with shocking red hair. Is Stanley
the father of this child?
e.
But wait, Julia Swears that she has been faithful, she claims the
hospital goofed and got her baby mixed with someone else's. Is Julia
the mother of the red-haired child?
SALIVEWORKSHEETS
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