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WorksheetsGENETICS QUIZ FA#6
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
2.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
3.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
4.
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
a)
9
b)
2
c)
3
d)
6
5.
Which of the following identifies the gametes?
a)
A
b)
B
c)
C
d)
D
6.
Which trait is always expressed when present?
a)
recessive
b)
dominant
c)
phenotype
d)
allele
7.
What type of inheritance do two alleles have if their traits blend together?
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
8.
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
c)
Independent assortment
d)
Recessive inheritance
9.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
10.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
11.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
12.
pink four o'clock flowers (RW) are an example of
a)
incomplete dominance
b)
codominance
13.
both traits are expressed
a)
incomplete dominance
b)
codominance
14.
traits blend
a)
incomplete dominance
b)
codominance
15.
if red hair (R) and white hair (W) are codominant, what is the phenotype of a bunny with genotype RW
a)
pink fur
b)
red and white fur
c)
red fur
d)
white fur
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