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WorksheetsPunnett Squares Incomplete
Total questions: 22
Worksheet time: 5hrs 16mins
This type of inheritance pattern is a MIXTURE of both traits.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
A roan cow shows co-dominance in fur color (red and white). What is the phenotype % expected if a roan cow and a roan steer mate together?
100% Roan
25% Red, 25% White
50% Roan, 50% Red, 0% White
25% Red, 50% Roan, 25% White
AB blood type is an example of what type of inheritance?
Mendelian inheritance
Incomplete dominance
Co-dominance
A combination of Mendelian inheritance and co-dominance
What genotyes could the offspring of a man with blood group A and a woman with bloodgroup B have?
A or B
A, B, or AB
A, B, or O
A, B, AB, or O
A man that is homozygous for type A blood has children with a woman that is heterozygous for type B blood. What fraction of offspring will have type AB blood?
0%
25%
50%
75%
A man that is heterozygous for type A blood has children
with a woman that is homozygous for type B blood. What percentage of offspring will have type A blood?
0%
25%
50%
100%
A plant with pink flowers is crossed with a flower that has white flowers. What percentage of the offspring will have white flowers?
0%
25%
50%
75%
A plant with red flowers (RR) is crossed with a plant that has white flowers (rr). What percentage of the offspring will have pink flowers?
25%
50%
75%
100%
A plant that has red flowers (RR) is crossed with a plant that has pink flowers (Rr). What % of the offspring is expected to have pink flowers?
25%
50%
75%
0%
A dark brown horse (DD) is mated with a palomino horse (Dd) to produce offspring. What percentage of the offspring from this mating would be expected to be palomino horses?
25%
50%
75%
100%
A palomino horse (Bb) mates with a cream colored horse (bb). What is the expected ratio of phenotypes in the offspring of these horses?
¼ dark brown : ½ palomino : ¼ cream
0 dark brown : ¾ palomino : ¼ cream
0 dark brown : ½ palomino : ½ cream
½ dark brown : ½ palomino : 0 cream
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
There is no difference
The heterozygous genotype has a unique phenotype
There is no heterozygous genotype
There is only one phenotype regardless of genotype.
In Andalusian chickens, black chickens (BB) and white chickens (bb) are homozygous. Heterozygous individuals are grey (Bb). What is the genotype % for a cross between a grey fowl and a white fowl?
50% BB, 50% Bb, 0% bb
0% BB, 100% Bb, 0% bb
0% BB, 50% Bb, 50% bb
25% BB, 50% Bb, 25% bb
In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations.
Red = RR, white = rr, speckled = Rr
Red = RR, white = WW, speckled = rw
Red = RR, white = ww, Speckled = Rw
Red = RR, white = WW, speckled = RW
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 %.
50% red, 50% speckled, 0% white
100% red, 0% speckled, 0% white
0% red, 100% speckled, 0% white
0% red, 50% speckled, 50% white
