Understanding Phenotypes in Genetics
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Questions and Answers

What is a phenotype?

  • The interaction of genotype and environment in an organism (correct)
  • The genetic makeup of an organism
  • An organism's visible physical trait influenced only by genotype
  • A characteristic of an organism that is determined solely by the environment

Which term describes the genetic makeup of an organism?

  • Trait
  • Environment
  • Phenotype
  • Genotype (correct)

How did Gregor Mendel contribute to understanding phenotypes?

  • He proved that the environment plays no role in phenotype
  • He observed different phenotypes in pea plants (correct)
  • He concluded that all traits are dominant
  • He discovered the concept of genotype

What is the relationship between genotype and phenotype?

<p>Genotype determines all phenotypic traits (D)</p> Signup and view all the answers

Why is understanding phenotypes important in genetics?

<p>To distinguish between dominant and recessive traits (C)</p> Signup and view all the answers

What are phenotypes in organisms primarily a result of?

<p>Both genotype and environment (C)</p> Signup and view all the answers

How are proteins related to an organism's phenotype?

<p>Proteins give us our traits (D)</p> Signup and view all the answers

Which process involves the building of proteins based on mRNA instructions from DNA?

<p>Translation (C)</p> Signup and view all the answers

Eye color is controlled by multiple genes. What is the process called when one gene controls two or more unrelated traits?

<p>Pleiotropy (A)</p> Signup and view all the answers

What can influence a person's skin color, aside from genetic inheritance?

<p>Diet (D)</p> Signup and view all the answers

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