Types of Influences on Phenotypes


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question 1 of 3

Which of the following modifications to your genotype changes how genes are expressed?

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1. Which of the following modifications to a genotype is a direct cause of cancer?

2. Which of the following describes the importance of alleles in determining phenotypes?

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About This Quiz & Worksheet

Passing this quiz and worksheet require knowledge of the different modifications that can occur at the genetic level. You must also be familiar with alleles.

Quiz & Worksheet Goals

You will be assessed on the following:

  • Allelle significance in determining phenotypes
  • Process where one gene acts as master switch for another gene in a pathway
  • Genotype modification that directly causes cancer
  • Modifications to genotypes that affects how genes are expressed

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson on influences on phenotypes
  • Knowledge application - use your knowledge to identify the modification to genotypes that affects gene expression
  • Information recall - access the knowledge you've gained regarding epigenetic modifications

Additional Learning

Types of Influences on Phenotypes is a lesson that will increase your knowledge of phenotypes. Covered objectives include:

  • Define genetic inheritance
  • Review alleles
  • Know what a mutation looks like in DNA