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WorksheetsForms of Inheritance 1
Total questions: 11
Worksheet time: 15mins
Name
Class
Date
1.
What pattern of inheritance is shown in this image?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
2.
If a black rabbit and a white rabbit have grey offspring, what type of inheritance is fur color?
a)
Recessive
b)
Dominant
c)
Incomplete dominance
d)
Codominance
3.
Which color flower is heterozygous?
a)
red
b)
white
c)
pink
4.
A roan cow shows co-dominance in fur color (red and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4 Roan
b)
2 Red: 2 White
c)
2 Red: 2 Roan
d)
1 Red: 2 Roan: 1 White
5.
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%
6.
In some carnations, flower color exhibits codominance. When crosses, Red (R) and white (W) flowers make speckled flowers (RW) that show both colors.
Complete a cross between A speckled flower and a red flower. Find the phenotype ratio.
Complete a cross between A speckled flower and a red flower. Find the phenotype ratio.
a)
2 red: 2 speckled: 0 white
b)
4 red: 0 speckled: 0 white
c)
0 red: 4 speckled: 0 white
d)
0 red: 2 speckled: 2 white
7.
If a parent is heterozygous for type A blood, and the other parent is heterozygous for type B blood, what is the probability that their offspring would have type O blood?
a)
100 %
b)
75%
c)
50%
d)
25%
8.
In a cross between a pure red eyed female and a white eyed male, what would the genotypes of the parents be?
a)
XRXr with XR Y
b)
XRXr with Xr Y
c)
XRXR with XR Y
d)
XRXR with Xr Y
e)
XrXr with Xr Y
9.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
10.
H= normal blood clotting
h=hemophilia
XHXh x XHY
What is the probability that any of their offspring will have hemophilia?
a)
4/4
b)
3/4
c)
2/4
d)
1/4
11.
If a persons genotype was AABbCc for height. How many genes do they have for this trait?
a)
6
b)
3
c)
4
d)
5
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