Module 6 Mendelian Genetics

3.6.1 page 4

Reflect and Connect (optional)

Study Dictionary or Flash Card Set - Assessment

 

Learning to communicate in another country would be tough without knowing a few terms in the local vocabulary. Working in genetics is much the same. To help you in your study of genetics, let’s take the time now to work through all of the new terms you will need to understand. Using the new terms from Chapter 17 (identified by the bold type) in your text, create a flash card study set. This could be in the form of a power point presentation, an online flash card set, or a traditional 3x5 paper card stack. Write the term on one side, and your definition on the other. If you chose to do an electronic version, save a copy to your course folder and find out from your instructor if there is a way you can share your set with your classmates.

 

Use your flashcard set to review and study the vocabulary. Record the amount of time it takes for you to complete the flashcards and repeat the process until you can quickly move through all of the cards. You may also record the number of times you answer correctly for each attempt and repeat the activity until you increase your accuracy.

 

Going Beyond

Write a fictional story while attempting to incorporate as many of your new vocabulary words as possible. After your first draft, complete a revision that forces you to add the words that you did not use in your original draft. Save your story to your course folder and post it to your class discussion area.

 

Lesson Summary

During this lesson you were to focus on the following questions:

• What is the basic language of genetics?
• How does the work of Mendel explain the basics of Classical Genetics?

By reading and watching the videos you have heard the language of genetics being used. With your creation of a study dictionary, or flash card set, you should now have begun to put that language into practice. Keep reviewing your flashcard set, and pay attention to any new words that will be presented in upcoming lessons.

 

Mendel used careful scientific methods to analyze the inheritance of traits in garden peas. He made clear observations, conducted many experimental trials, and worked in a controlled environment. It is thanks to his work that we have been able to begin to understand just how genes are responsible for our characteristics.

 

Diploma Connection

Answer the following questions from a previous Biology 30 Diploma Exam.

1. Alternate forms of the same gene are known as
   
   
   1. alleles
   2. gametes
   3. genotypes
   4. heterozygotes
2. Mendel’s principle of segregation states that alternate forms of a gene separate during
   
   
   1. fertilization
   2. seed dispersal
   3. cross-pollination
   4. gamete formation
3. An organism is heterozygous for two pairs of genes. The number of different combinations of alleles that can form for these two genes in the organism’s gametes is
   
   
   1. 1
   2. 2
   3. 4
   4. 8

Use the following information about tobiano twin colts to answer the next question.

Descriptions and Symbols Used to Represent One Type of Coat Colour in Horses

1	2	3	4
DNA sequence for coat colour	TT, Tt	T	Tobiano (white spotting pattern)
	tt	t	Not tobiano (no white spotting pattern)

 

Numerical Response

4.   Using the numbers above, match these descriptions and symbols with the term below to which they apply.

 

Description or

Symbol Number:       _____             _____             _____             _____

Term:                   gene               allele               phenotype      genotype