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Genotype and phenotype Knowledge-Based Practice

Biology · Heredity · Biology · Mendelian Genetics

1 Biology practice questions on Genotype and phenotype. Questions that assess core concepts and understanding.

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  1. 1.

    In Mendelian genetics, which statement correctly distinguishes between an organism's genotype and its phenotype?

    • A) The genotype is the specific combination of alleles inherited for a gene, whereas the phenotype represents the observable physical or physiological traits of the organism.
    • B) The genotype refers solely to dominant traits expressed in an organism, whereas the phenotype encompasses only the hidden recessive alleles.
    • C) The phenotype is determined exclusively by genetic sequences without any influence from external conditions, whereas the genotype fluctuates depending on the environment.
    • D) The genotype can always be determined by direct visual inspection of an individual, whereas the phenotype requires complete molecular sequencing of the genome.

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