1
genetics ch 17 (exam 3) Questions
and Answers (100% Correct
Answers) Already Graded A+
Alleles Ans: Alternative forms of a gene due to mutations.
© 2026 Assignment
Homozygous Ans: Two identical alleles for a gene (e.g., A1A1).
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Heterozygous Ans: Two different alleles for a gene (e.g.,
Expert
A1A2).
Genotype Ans: Genetic makeup of an organism (e.g., Aa).
Phenotype Ans: Observable traits of an organism (e.g., red
hair).
Wild type Ans: Most common allele in a population.
Mutant allele Ans: Allele differing from wild type due to
mutation.
Gene interaction Ans: How genes and alleles influence
phenotype.
Dominance Ans: Relationship between two alleles of the same
gene.
Complete dominance Ans: Only one allele's phenotype is
visible in heterozygote.
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Molecular genetics Ans: Study of genetic information encoding
and expression.
Transmission genetics Ans: Principles of heredity across
generations.
Population genetics Ans: Genetic variation in populations over
time.
Chromosomes Ans: Long double-stranded DNA molecules
© 2026 Assignment
containing genes.
Diploid Ans: Organisms with two copies of each chromosome.
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Expert
Mutation Ans: Change in DNA sequence leading to allele
variation.
Gene product Ans: Protein or RNA encoded by a gene.
Natural selection Ans: Process favoring certain phenotypes
over others.
Allelic variation Ans: Differences in function among alleles.
Drosophila Ans: Model organism used in genetic studies.
Red eye color Ans: Wild type phenotype in Drosophila.
White mutants Ans: Drosophila lacking normal red eye color.
Allele frequency Ans: Proportion of an allele in a population.
Evolution Ans: Change in allele frequencies across
generations.
genetics ch 17 (exam 3) Questions
and Answers (100% Correct
Answers) Already Graded A+
Alleles Ans: Alternative forms of a gene due to mutations.
© 2026 Assignment
Homozygous Ans: Two identical alleles for a gene (e.g., A1A1).
Guru01 - Stuvia
Heterozygous Ans: Two different alleles for a gene (e.g.,
Expert
A1A2).
Genotype Ans: Genetic makeup of an organism (e.g., Aa).
Phenotype Ans: Observable traits of an organism (e.g., red
hair).
Wild type Ans: Most common allele in a population.
Mutant allele Ans: Allele differing from wild type due to
mutation.
Gene interaction Ans: How genes and alleles influence
phenotype.
Dominance Ans: Relationship between two alleles of the same
gene.
Complete dominance Ans: Only one allele's phenotype is
visible in heterozygote.
, 2
Molecular genetics Ans: Study of genetic information encoding
and expression.
Transmission genetics Ans: Principles of heredity across
generations.
Population genetics Ans: Genetic variation in populations over
time.
Chromosomes Ans: Long double-stranded DNA molecules
© 2026 Assignment
containing genes.
Diploid Ans: Organisms with two copies of each chromosome.
Guru01 - Stuvia
Expert
Mutation Ans: Change in DNA sequence leading to allele
variation.
Gene product Ans: Protein or RNA encoded by a gene.
Natural selection Ans: Process favoring certain phenotypes
over others.
Allelic variation Ans: Differences in function among alleles.
Drosophila Ans: Model organism used in genetic studies.
Red eye color Ans: Wild type phenotype in Drosophila.
White mutants Ans: Drosophila lacking normal red eye color.
Allele frequency Ans: Proportion of an allele in a population.
Evolution Ans: Change in allele frequencies across
generations.
