Question:
Differentiate between homozygous and heterozygous individuals.
Differentiate between homozygous and heterozygous individuals.
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Linkage was extensively studied by T.H. Morgan using {Drosophila melanogaster} (fruit flies).
Updated On: Jan 5, 2026
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Solution and Explanation
Homozygous: An individual possessing two identical alleles for a specific gene (e.g., $TT$ or $tt$). They breed true for that trait.
Heterozygous: An individual possessing two different alleles for a specific gene (e.g., $Tt$). They do not breed true and show dominant-recessive interactions.
Heterozygous: An individual possessing two different alleles for a specific gene (e.g., $Tt$). They do not breed true and show dominant-recessive interactions.
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