Pair each basic genetic term listed on the left with its correct biological description on the right.
- HeterozygousPossessing two non-identical alleles for a specific gene on homologous chromosomes.
- GenotypeThe specific allele composition or genetic constitution of an organism at a given locus.
- Dominant alleleAn allele that masks the phenotypic expression of its contrasting alternative form in a diploid organism.
- PhenotypeThe observable physical, structural, or physiological traits of an organism resulting from its genetic makeup.
Answer
Heterozygous matches with possessing two non-identical alleles; Genotype matches with the specific allele composition; Dominant allele matches with an allele that masks its contrasting form; Phenotype matches with the observable physical traits.
Each genetic term matches its corresponding definition precisely: Heterozygous indicates possessing two non-identical alleles at a locus; Genotype represents the organism's specific allele composition; Dominant allele describes an allele that masks the expression of its contrasting alternative form; and Phenotype refers to the observable physical or physiological traits.
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Key Concept
Basic Genetics Terminology and Concepts
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