Sister Chromatids: Definition & Concept


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question 1 of 3

Fruit fly cells have 8 chromosomes in them. How many sister chromatids would be present in a fruit fly cell that is preparing to divide by mitosis?

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1. A cat receives a copy of chromosome number two from its mother and its father. Together, these copies are called ______.

2. Which of the following describes synapsis?

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About This Quiz & Worksheet

Use the quiz/worksheet combination to test you knowledge of the traits of sister chromatids. Assessment items will focus on genetic recombination as well as synapsis in the lesson.

Quiz & Worksheet Goals

These assessments will test you on the following:

  • Synapsis
  • Sister chromatid and chromosome numbers in various animals
  • The occurrence of genetic recombination
  • Phase of meiosis without sister chromatids present

Skills Practiced

The following skills will be practiced:

  • Information Recall- access the knowledge you've gained regarding the number of sister chromatids and chromosomes in various animals
  • Knowledge Application- use your knowledge to answer questions about genetic recombination
  • Interpreting Information- verify that you can read information regarding synapsis and interpret it accurately

Additional Learning

To learn more about sister chromatids, review the accompanying lesson Sister Chromatids: Definition & Concept. Objectives covered include:

  • Know the function of histones
  • Define chromatin
  • Know how sister chromatids develop
  • Understand chromatids vs homologous pairs
  • Differentiate between sister chromatids in mitosis and sister chromatids in meiosis