Concept explainers
What is the difference between
To determine: The differences between genetic variation, environmental variation, and genotype-by-environment interaction.
Introduction: Genes are long thread-like structures that contain coded genetic information in the form of DNA. Deoxyribonucleic acid (DNA) is a double-stranded structure, and it is transferred from one generation to the next generation through successful reproduction.
Explanation of Solution
Criteria | Genetic variation | Environmental variation | Genotype-by-environment interaction |
Definition | The variations in an individual that occur due to differences in nucleotide sequence present in DNA result in genetic variation. | The variations or adaptations that occur in an individual due to changes in the environment or external surroundings are known as environmental variation. | This type of variation occurs due to difference in the response of two different genotypes to a common environmental variation. |
To determine: An example for genetic variation, environmental variation, and genotype-by-environment interaction.
Explanation of Solution
Criteria | Genetic variation | Environmental variation | Genotype-by-environment interaction |
Example | Blood groups | Hair color and length of the hair. | Exposure of twins to sunlight resulting in different levels of tanning. |
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