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WorksheetsGenetics and Punnett Squares Vocab
Total questions: 15
Worksheet time: 17mins
What type of Genotype is this: AA?
Homozygous Dominant
Heterozygous Dominant
Homozygous Recessive
Heterozygous Recessive
What type of Genotype is this: Aa?
Homozygous Dominant
Heterozygous Dominant
Heterozygous Recessive
Homozygous Recessive
Two alleles can be different
homozygous
heterozygous
Genotype
Phenotype
Two alleles can be the same
homozygous
heterozygous
genotype
phenotype
Is this an example of a genotype or a phenotype:
blue eyes
genotype
phenotype
Is this an example of a genotype or a phenotype:
YY
genotype
phenotype
In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?
RR
round
Rr
wrinkled
rr
In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, the offspring in box 4 would:
be homozygous for white fur
be heterozygous for black fur
be heterozygous for grey fur
be homozygous for black fur
According to the Punnett Square, what is the probability of an offspring being purple?
The blending of two traits is known as ---
incomplete dominance
codominance
A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---
Codominance
Incomplete dominance
Some flowers are controlled by codominance. Red flowers (FRFR), blue flowers (FBFB) and Speckled flowers (FRFB).
Cross a red flower with a speckled flower. What is the phenotypic ratio?
50% red, 50% speckled
25% red, 25% blue
100% blue
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%
