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Multiple Choice
In the context of genetics, what does the term 'genotype' refer to?
A
The observable characteristics of an individual
B
The physical expression of genes in an individual
C
The genetic makeup of an individual, including all alleles
D
The interaction between an individual's genes and the environment
Verified step by step guidance
1
Begin by understanding the term 'genotype'. In genetics, 'genotype' refers to the genetic makeup of an individual, including all alleles present in their DNA.
Differentiate between 'genotype' and 'phenotype'. While 'genotype' is the genetic constitution, 'phenotype' refers to the observable characteristics or traits of an individual, which result from the interaction of the genotype with the environment.
Recognize that alleles are different forms of a gene that can exist at a specific locus on a chromosome. The combination of alleles inherited from both parents constitutes the genotype.
Consider how the genotype can influence the phenotype. Although the genotype provides the blueprint, environmental factors and gene interactions can affect how traits are expressed.
Remember that the genotype is crucial for understanding inheritance patterns, predicting traits, and studying genetic disorders. It forms the basis for genetic research and applications such as genetic testing and personalized medicine.