WorksheetsPunnett Square - Genetics Quiz
Total questions: 16
Worksheet time: 48mins
B = brown eyes
b = blue eyes
One brother has genotype BB and the other brother has genotype Bb.
Which statement is true about these two brothers?
They have same phenotype and genotype
They have different phenotypes and genotypes
They have same phenotype, but different genotypes
They have different phenotypes, but the same genotype
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete dominance
Codominance
A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?
0%
25%
50%
100%
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?
0%
25%
50%
75%
Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?
25%
50%
75%
100%
What is the Genotype for Homozygous "B" allele
IᴬIᴮ
Iᴮi
IᴬIᴬ
IᴮIᴮ
What is the Genotype for Heterozygous Type A Blood
IᴬIᴮ
Iᴬi
IᴬIᴬ
IᴮIᴮ
What is the Genotype for Type 0
IᴬIᴮ
Iᴬi
IᴬIᴬ
ii
Punnett Square: A man is homozygous for the B allele, and a woman is type O. What are ALL the possible blood types of their baby?
IᴮIᴮ
ii
IᴬIᴬ
Iᴮi
The genotype for a yellow plant is...
What is the genotypic ratio of the offspring?
3:1
1:3
1:2:1
2:2
What type of inheritance is determined by multiple genes and there can be a range of traits?
Codominance
Incomplete dominance
Polygenic traits
