1. Modeling DNA & Reproduction

By the end of this section you should be able to:

1. Describe the structure of a chromosome.

Essential Vocabulary

ChronatinChromosomeGeneCentromereDuplicated (replicated) chromosomeChromatid

2. Compare the number of chromosomes in somatic cells and gametes.

Essential Vocabulary

Somatic cellGameteDiploidHaploid

3. Model how chromosomes separate during meiosis to produce haploid gametes.

Essential Vocabulary

MeiosisHomologous chromosomes

4. Explain how two gametes fuse during fertilization to create diploid zygotes.

Essential Vocabulary

FertilizationZygote

5. Explain why offspring share equal amounts of DNA from each parent, but may show more characteristics of one parent.

Essential Vocabulary

AlleleDominantRecessive

The activities below should be used to review essential vocabulary

Use the following quizzes to test your knowledge of essential vocabulary. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

LS3-1: Modeling DNA and Reproduction

This is a Content Quiz. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

This is a Skills Quiz to help you review and apply science practices to the content from this module. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

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