WorksheetsLevel 10 Review - Codominance and Pedigree Charts
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
2.
What is the genotype of a filled in square?
a)
AA
b)
aa
c)
Aa
3.
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.
4.
What is the genotype of half colored symbols ?
a)
RR
b)
Rr
c)
rr
5.
What would the genotype be for the blonde son in generation 2?
a)
BB
b)
Bb
c)
bb
d)
Not enough information
6.
What is the possible genotypes for both children in generation 3?
a)
BB & BB
b)
Bb & bb
c)
bb & bb
d)
Bb & Bb
7.
A carrier is represented by what symbol?
a)
Clear
b)
Shaded
c)
Half Shaded
d)
1:4 ratio
8.
If the affected female in generation 3 mates with an affected male. What will be their offspring's genotype?
a)
100% Hybrid/Pure
b)
100% Homozygous Dominant
c)
100% Homozygous Recessive
d)
100% Heterozygous
9.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
10.
Codominance occurs in chickens, which allows them to be Black, White, or black and white as shown on this Punnett square. What percentage of the offspring will be black and white?
a)
25
b)
50
c)
75
d)
100
100 %
