Mendel's First Law & Its Application

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Use a Punnett Square to figure out what percentage of pea plants would have purple flowers in the following cross:

A purple flowered pea plant (PP) crossed with a white flowered pea plant (pp).

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1. Let's say P is an allele that codes for purple flowers and p is an allele that codes for white flowers. A plant has alleles Pp. According to the Law of Segregation, what alleles would each gamete have?

2. Some people have blue eyes and some people have brown eyes. Which answer best explains why this is the case?

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About This Quiz & Worksheet

Test your knowledge of Gregor Mendel's first law with this mobile-friendly quiz and worksheet. These assessments will ask you about Mendel and his work as well as information that can be determined by completing Punnett squares.

Quiz & Worksheet Goals

To pass the quiz, you'll need to answer questions about:

  • Punnett squares
  • The Law of Segregation
  • Why people have different colored eyes
  • Gregor Mendel's scientific contributions
  • Alleles

Skills Practiced

  • Knowledge application - use what you know about Punnet squares to solve problems that involve various traits and alleles
  • Information recall - access knowledge you've gained regarding the reasons why Gregor Mendel is famous in the world of science
  • Reading comprehension - take away the most important information from the related lesson about Mendel's first law

Additional Learning

If you want to learn more about this law, check out the related lesson called Mendel's First Law & Its Application. The lesson covers:

  • How heredity was viewed prior to Mendel
  • Mendel's experimentation on pea plants
  • The steps for using Punnett squares
  • The term 'gamete'
  • Dominant and recessive alleles
  • The process of meiosis
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