WorksheetsPunnett Square Credit Genetics and Punnett squares
Total questions: 12
Worksheet time: 9mins
Capital letter; trait is always shown
Recessive
Dominate
Homozygous
Heterozygous
Lowercase letter; trait hidden when paired with dominant allele
Recessive
Dominate
Homozygous
Heterozygous
Whose traits are on the outside (top and side) of the Punnett square?
Grandparents
Offspring
Parents
Aunts and Uncles
Look at the Punnett square. What is the percent chance of having the recessive Phenotype (trait)?
25%
50%
75%
100%
Look at the Punnett square. What is the percent chance of the offspring being heterozygous?
0%
25%
50%
100%
Look at the Punnett square. What percent of the offspring are homozygous dominant?
0%
25%
50%
100%
Look at the Punnett square. What is the top parent's genotype?
Homozygous Dominate
Heterozygous
Homozygous Recessive
Superzygous
Look at the Punnett square. What is the side parent's genotype?
Homozygous Dominate
Heterozygous
Homozygous Recessive
Superzygous
Which term means how an organism looks / physical appearance?
Genotype
Phenotype
Homozygous
Heterozygous
Which term means the organism's genes; represented by two letters?
Genotype
Phenotype
Long eyelashes
Brown eyes
Which of the following genotypes would be homozygous recessive?
RR
Rr
rr
none of the above
Which of the following genotypes would be heterozygous?
RR
Rr
rr
none of the above
