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WorksheetsPunnett Squares Vocab and Practice
Total questions: 12
Worksheet time: 6mins
Define genotype.
The physical appearance of a trait.
Two identical alleles.
The genetic makeup represented with letters.
aa
Aa
AA
none of the above
Define homozygous.
Two different alleles.
The physical appearance of a trait.
Two identical alleles.
Yellow seeds are dominant over green seeds. Cross two heterozygous plants. What is the phenotype?
3 yellow and 1 green.
4 yellow seeds.
2 yellow and 2 green.
3 green and 1 yellow.
Round peas are dominant over wrinkled peas. Cross a heterozygous parent with a homozygous round pea. What is the phenotype?
4 wrinkled peas.
2 round and 2 wrinkled.
1 round and 3 wrinkled.
4 round peas.
What is the genotypic ratio for two heterozygous?
1:2:1
3:1
1:3
9:3:3:1
Define phenotype.
Genetic makeup.
Physical appearance.
Two identical alleles.
Two different alleles.
What is the genotypic ratio for two heterozygous plants in a dihybrid punnett square?
2:2
3:1
1:2:1
9:3:3:1
Fill in the missing space.
Aa
aa
AA
aA
Define dominant.
The trait that doesn't show unless it is homozygous.
Two different alleles.
Two identical alleles.
The trait that always shows if present.
Define recessive.
The trait that always shows if present.
Two different alleles.
The trait that only shows up if homozygous.
Two identical alleles.
Different forms of a gene or trait.
Alleles
Gene
Trait
