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WorksheetsPunnett Squares
Total questions: 10
Worksheet time: 15mins
Dominant alleles are represented by a:
Male gene
lowercase letter
recessive trait
capital letter
Aa, DD, Bb, yy are all examples of
genotypes
phenotypes
T - tall and t = short
In the punnett square below, what belongs in the missing square
tt
Tt
Bb
TT
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
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any white-flowering plant resulting from this species?
rr
rR
RR
Rr
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
(Click the picture to see it without the text)
In the Punnett square, what is the probability for white fur?
