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Multiple Choice
What is an individual’s actual genetic make-up called?
A
Phenotype
B
Genotype
C
Allele
D
Chromosome
Verified step by step guidance
1
Understand the key terms: 'Phenotype' refers to the observable characteristics of an organism, such as physical appearance, behavior, and biochemical properties. 'Genotype' refers to the actual genetic makeup of an organism, which includes all the genes and their variations (alleles) that an organism inherits from its parents.
Recognize that 'Allele' is a variant form of a gene. Different alleles can result in different traits, but the term 'allele' itself does not describe the entire genetic makeup.
Identify that 'Chromosome' is a structure within cells that contains DNA and many genes. While chromosomes carry genetic information, the term 'chromosome' does not specifically refer to the complete genetic makeup of an individual.
Determine that the term 'Genotype' is the correct answer to the question, as it specifically refers to the complete set of genes and their alleles in an individual.
Conclude that an individual's actual genetic make-up is called their 'Genotype', which encompasses all the genetic information that contributes to their traits and characteristics.