Genotype/Phenotype End of Lesson Quiz
Directions: Circle the best response to answer the question.
1. Genotype is described as:
a. The physical expression of the alleles
b. The pair of alleles inherited from both parents
c. Where the genes are located on the DNA strand
2. Phenotype is described as:
a. The physical expression of the alleles
b. The pair of alleles inherited from both parents
c. Where the genes are located on the DNA strand
3. When one allele is dominant and the other is recessive, how will the phenotype appear?
a. It will appear as a combination of the two traits
b. It will appear as the recessive trait
c. It will appear as the dominant trait
4. If, both alleles in a genotype are dominant, or both are recessive, it is said that the genotype is:
a. Homogenous
b. Heterozygous
c. Homozygous
5. The allele for a detached earlobe is “A” and the allele for attached earlobe is “a”. If the genotype
of a person is “aa” what will be the phenotype for the earlobe.
a. Attached earlobe
b. Detached earlobe
c. One attached and one detached earlobe.
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