Karotyping Lab

We will practice doing a Pedigree Worksheet to determine the genotype of each member in the family.

You will work in groups of two for the Karyotyping  and then answer the questions.  Due on Monday, February 3, 2020

Chapter 9 : Patterns of Inheritance

Introduction to the chapter will include explanation of vocabulary words, explanation of Punnet squares, and pedigree charts.  In addition, you will be taught about dominant and recessive alleles.

Punnett Square:


 


   

Coronaviruses: From Animals to Humans

We will discuss the corona virus.  Coronaviruses can jump directly from humans without mutating or passing through intermediate species.
It is believed the new strain of the corona virus started Huanan food market that supply food to Wuhan, China  The market sells carcasses and live specimen of wild animals such as bamboo rats, ostriches, baby crocodiles and hedgehogs. The animals are enjoyed as culinary delicacies and as traditional medicine. The precise origin of the current outbreak is not known.  the SARS, Severe Acute Respiratory Syndrome, that started in 2002 originated in bats and spread to human via palm civets, a cat-sized  mammal, sold in Chinese food markets.

Additional Information will be discuss including what is being done to curb the outbreak.

The discussion will continue as more information is obtained and during the chapters on viruses later in the year.

 

Chromosomal Errors - Non Disjuntion and other Problems

 


 

Meiosis Rediuces the Chromosome Number from Diploid to Haploid

In Human the chromosome number is 46 ( 2N) The diploid number
Human gametes have 23 chromosomes (n) The haploid number.

Finals Schedule, January 22- January 24, 2020

Henrietta Lacks- HeLa Cells

Click on the link to read about cancer cells that have been multiplying in culture since 1951. The cells came from the body of Henrietta Lacks. HeLa cells as they are known have become the most widely used human cell line in biological research


Henrietta Lacks - HeLa Cells

Excessive Cell Growth

Notes

You will take notes from the PowerPoint.




Get the missing details from the textbook.  

 

The Cellular Basis of Reproduction an dInheritance.

Introduction to Genetics.  The information shared in class will start laying the foundation in order for you to grasp the unit. 

I will elaborate on some of the words already introduced at the end of the sex ed unit and introduce some new ones necessary for you to fully understand the topic.

This unit more than others will require that you think critically to be able to work independently on the worksheets that will be given.

Most students enjoy the chapters on Genetics.

Sex Education Open Notes Test.

The Cellular Basis of Reproduction and Genetics.

Introduction to the unit on Genetics. 

The class will read the original conclusion about the BRCA gene from the 2002 edition of the textbook and then compare it to the updated information about the gene.

Both articles discussed yesterday will be posted in Google Classroom for those interested in reading them.

Sex Education Packet is Due

Sex Education Packet will be graded.

If you were absent for the class make certain to collect the information handed out in class.

Science in the News

In addition, I will share information on "What to Know if You Resolve to Cut Out Meat- The Nutritional Gaps from not eating meat.  Veganuary the campaign encouraging people to give up meat for the month of January.  Veganuary launched in the UK by supermarkets and restaurants providing vegan products.

Also sharing information that the BRCA gene that lead women to believe they are at high risk for breast cancer might not be at risk at all.  There are many variants of the BRCA gene and not all variant have the same level of risk. The classification of the gene has been changed from high risk to uncertain.

"Many women had mastectomies due to the initial report that the gene BRCA 1 placed women at a high risk of beast cancer and ovarian cancer.  The risk was placed as high as 80% for a women with the gene to develop cancer within her life time.

Sex Education Packet is Due

The Sex education packet will be graded in class.
In addition, we will do start working on Unit 2.
 

Happy New Year !!

Welcome back. I hope you have a fun and restful holiday and is again ready to work.

 The new year is a time to set goal.  Setting goals is important as you aspire to live the life imagined.

The Sex Education Packet is due on Wednesday, January 8, 2020.
The open notes test will be on Friday, January 10, 2020.

We will start the Unit 2 immediately.