Font size
WorksheetsPunnett Square Practice Quiz
Total questions: 20
Worksheet time: 26mins
An organisms genetic makeup, letters that represent the actual genes.
Genotype
phenotype
Heterozygous
Homozygous
Having different alleles for example Bb
Homozygous
Heterozygous
Phenotype
Genotype
Physical trait such as Brown Fur or Purple Flower
Recessive
Phenotype
Genotype
Dominant
Having the same alleles for example BB
Homozygous
Heterozygous
Dominant
Recessive
A trait that can cover another such as purple flower over white flower. Uppercase letters represent this allele.
Genotype
Allele
Dominant
Recessive
A trait that can be covered. White flower can be covered by Purple flower. Lower case letters represent this allele.
Dominant
Recessive
Homozygous
gene
tt
Dominant or recessive?
Tt
B = brown fur b = white fur
In the punnett square, what is the percent chance for white fur?
Brown eyes (B) tend to be dominant whereas blue eyes (b) tend to be recessive. Parents with heterozygous genes want to know: what is the likelihood of them having a child with blue eyes?
0%
25%
75%
100%
Select TWO answers. Which are the missing parts?
BB
bb
Bb
Which of the following must be the father's genotype?
RR
Rr
rr
What are the alleles of highlighted box?
(a)
What are the alleles of highlighted box?
(a)
What are the alleles of highlighted box?
(a)
Why do scientist use Punnett Squares?
A tool scientist use to to see alleles
A tool scientist use to see which alleles are dominant
A tool scientist use to determine possible genotypes for offspring
Which of the following is a homozygous recessive genotype?
HH
dd
Aa
Which of the following is a heterozygous genotype?
Gg
UU
pp
