March 12

Dihybrid Punnett Squares


There are four types of blood: A, B, AB, and O

     A and B are dominant &  O blood is recessive 

     Mr. Sneech’s blood type is AB. Mrs. Sneech’s blood type is heterozygous A. Predict the genotypes and phenotypes of their offspring.

Punnett square with Nittany Lions.Today in class we practiced making  Dihybrid Punnett Squares. Here are some tutorials in case you missed the concepts in class:

Dihybrid Punnett Squares Video:

Dihybrid Punnett Squares Tutorial:

We will be having a quiz over Punnett Squares Thursday. Here are some practice quizzes so you can test your knowledge:

Quiz 1:

Quiz 2: 2


Section 8 only: Finish your punnett sqaure assignment assigned in class and submit through Moodle:

Group 2: xlinkedPunnett Square Practice  Group 1: Zork-genetics-2-multiplication-method Due : Thursday

Section 1/2, 3/4, and 7 only: Complete the one-eyed easy tempered loser monster dihybrid assignment.  Could the King have a mild-empered child? Create a dihybrid to find out.  Due: Thursday

March 11

X-linked Traits, Co-dominance and Incomplete Dominance in Punnett Squares

Warm-Up: A furry (F) bunny is dominant to bald (f) bunny. If two heterozygous bunnies have offspring, what is the genotypic ratio of the offspring?

What is the phenotypic ratio of the offspring?

Today in class we practiced and practiced creating and reading punnett squares using x-linked traits and traits that follow the principle of codominance and incomplete dominance.  Here is a tutorial video on sex-linked traits if you need it:

If you need extra help, I will be available Wednesday and Thursday mornings beginning at 8:00am. You will have a punnett sqaure quiz on Thursday. Be ready and seek extra help if needed.


Section 1: Complete questions 9 &10 in the sex-linked trait sheet.

Sections 3/4 and 7: Complete the Case of the Long Lost Son

Section 8: Post the analysis and  dicussion questions in the form of a paragraph on the Moodle discussion board for ” The Case of the Long Lost Son”

March 10

Introduction to Punnett Sqaures


1.What is the difference between a gene and DNA?
2.G is the allele for green eyes and g is the allele for blue eyes. A green eyed mom and a blue eyed dad produce children – some with green eyes and some have blue eyes. What are the phenotypes and genotypes of the children?
PunnetthowtoToday we learned how to create a punnett square and use a punnett square to determine the probability of a trait. In your Notebook, take notes on how to create and read and Punnett square using the Punnett Square Tutorial Video:

Do you need more help? Here are some additional tutorials:

Feeling confident? Complete: Zork Genetics sheet:Zork Genetics


Finish your Weblab assignment: Mendelian Genetics WebQuest & GENETICS_WEBQUEST_-_Dragon_Genetics

Take a practice quiz:

March 6

Genetics Weblab

No warm-up today.

Today all classes met in the PC LAb to work on the Genetics Vocabulary Slideshow. If students were finished with their final products they could work on their karyotyping activity (also due Friday) or  begin working on the genetics weblab assignment which is not due until next week.

Genetics Weblab Assignment Medelian Genetics Webquest Site:

Reminder: Vocabulary Quiz is Friday (do not count on getting a word list)

Use the following resource as a study guide:

What’s due;

Genetics Vocabulary Slideshow – due Friday

Karyotyping Activity – due Friday

Vocabulary QUIZ – Friday

Genetics Weblab: Mendilian Genetics Webquest – due Monday 3/10 (We will work on this in class after the quiz Friday)

March 5

Cartoon Genetics: Applying the Vocabulary


1.Characteristic is to trait as

     gene is to _________. 

2. What is the difference between a dominant trait and a recessive trait?

Today in class we discussed the principles of heredity. Watch the following tutorials if you were absent. 

Tutorial on heredity:

 Tutorial on traits:

 Video on Genotypes and Phenotypes:

Students then applied the vocabulary by flipping a coin to determine which traits would be inherited in a newly born offspring or smiley face :). If you were absent, complete the following assignment:smileygenetics1 & gen_smilewkst1

What’s Due:

Karyotyping Saffron Cow Disorders karyotyping saffron cows activity & How Can Karyotype Analysis Explain Genetic Disorders cows– due Friday ( Use the following information to helo you diagnose the disorders. There is one normal make and one nirmal female, the other four cows have inherited a disorder. Your job is to figure out what. Finish the anlalysis questiosn and conclusion and turn in Friday)

Genetics Vocabulary Slideshow…due Friday

March 4

Vocabulary of Genetics


1.If there are 5 boys and no girls born into a family, does that increase the likelihood that the sixth offspring will be a girl? Explain. 
2.In the following ratio, 3:1, what number would represent the dominant  trait? Why?
Today in class students worked with the vocabulary of genetics by creating a slideshow that demonstrates their knowledge of the key terms associated with this unit. All slideshows must be uploaded to Edmodo(section 1/2, 3/4, and 7) or Moodle (section 8 only) no later than Friday.
No late work will be accepted!~
See Rubric for details: GENETICS vocab book
Work on Vocabulary Slideshow – due Friday
March 3

Introduction to Genetics


Cell part review…What cellular structure…

1.Contains DNA & controls activities of the cell 
2. Makes proteins 
3.Generates energy for cellular activities 
4.Regulates what enters and leaves the cell
5.Converts solar energy into chemical energy

As we begin our unit on genetics, students took a pre-vocabulary quiz. Some of you are very genetic savvy, but some of you have a ways to go.  Then, we took an inventory of our traits and discussed some of the trait patterns that were expressed in our classroom.


Section 1/2, 3/4, and 7: Read Ch. 5, Sec. 1 Take Notes…. & Answer Question #9 – due Tuesday

Section 8: Read Chapter 5, Section 1 & 2 only &

post a peer reply to your moodle discussion post…Inventory of traits)

Peer Reply Comment: Read at least three different peer’s comments and then post a reply to one of your peers. Respond to your peer’s post using the discussion rubric  as a guide. In addition, address the following questions: 

What trait or traits seem to be common among your peers? 

Why do you think some traits are more common then others? 

Do you agree or diagree with your peer’s answers to the previous questions? Justify your response by providing specific examples.


February 28

DNA Showcase

No Warm-up

Today students showed off their DNA Art. Students shared their DNA accessories with the class as we conducted a museum style walk to enjoy the unique characteristics each piece of art had to offer.  Students voted best in show and winners received bonus points.

After our musuem walk, students n section 1/2 3/4 and 7 were given cells from six different cows and had to create a karyotype for each one to determine if any disorders were present and if so, what disorder the offspring would have. We will finish anlayzing these karyotypes next week. Section 8 took notes on mutations and then completed an online karyotyping activity, see blog from 2/27

What’s due:

No homework for sections 1/2, 3/4, or 7

Section 8 needs to complete the online karyotyping activity if not completed in class.

Have a great weekend.