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WorksheetsGenetic Heredity and Probability Part 3 Review Questions
Total questions: 11
Worksheet time: 55mins
Name
Class
Date
1.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
2.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
3.
A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father?
a)
Yes
b)
No
c)
Maybe
4.
If one parent has type AB blood and the other parent has type O, what is the percentage chance that they will have a child with type AB blood?
a)
0%
b)
25%
c)
50%
d)
75%
5.
How many affected females are present?
a)
1
b)
2
c)
3
d)
4
6.
In this pedigree, how many children did the parents in Generation I have?
a)
2
b)
3
c)
4
d)
5
7.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
8.
If a trait is more likely to appear in one sex over the other......
a)
the trait is probably sex-linked.
b)
the trait is probably autosomal.
c)
the trait is probably co-dominant
d)
the trait if probably incompletely dominant
9.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
d)
Co-dominant
10.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
11.
Cystic fibrosis is an autosomal recessive disease .
Study the pedigree what are the possible genotypes of #10? (more than one answer)
a)
AA
b)
Aa
c)
aa
d)
XAXa
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