Genotype vs. Phenotype QuizVersion en ligne Test your knowledge on genotypes and phenotypes in this fun quiz game! par Shaiyar Afifah 1 What does genotype refer to? a The environment an organism lives in. b The behavior of an organism. c The genetic makeup of an organism. d The physical appearance of an organism. 2 What is phenotype? a The evolutionary history of an organism. b The reproductive strategy of an organism. c The observable traits of an organism. d The genetic sequence of an organism. 3 Which of the following is an example of a phenotype? a Gene variants in a population. b DNA sequence of a plant. c Chromosome number in humans. d Flower color in plants. 4 How can genotype influence phenotype? a Genotype has no effect on phenotype. b Genotype determines the traits expressed in phenotype. c Phenotype can alter genetic sequences. d Phenotype always changes genotype. 5 What is a homozygous genotype? a A genotype with no alleles. b A genotype with two different alleles. c A genotype that is recessive. d A genotype with two identical alleles. 6 What is a heterozygous genotype? a A genotype that is recessive. b A genotype that is dominant. c A genotype with two different alleles. d A genotype with two identical alleles. 7 Which term describes the genetic variant at a specific locus? a Allele. b Gene. c Phenotype. d Chromosome. 8 Can environmental factors influence phenotype? a No, they only affect genotype. b Yes, but only in plants. c Yes, they can affect how traits are expressed. d No, only genotype matters. 9 What is an example of a trait that is influenced by multiple genes? a Eye color. b Blood type. c Human height. d Cystic fibrosis. 10 Which of the following best describes a recessive allele? a An allele that is only found in males. b An allele that is masked by a dominant allele. c An allele that is never expressed. d An allele that always expresses itself.
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