Human+Genetics

The reasons why you are like you are!

 Vocabulary you should know . Huntington's, cystic fibrosis, PKU, sickle cell anemia, color blindness, hemophilia, autosomal disorder, sex linked disorder, blood types, environmental influences, polygenic inheritance, multiple alleles, incomplete inheritance, codominance. 

Info  Book chapter 12      

Lab

 Activity

[|Mendelian Genetics]

[|Common human genetic disorders]

http://www.biology.arizona.edu/human_bio/activities/karyotyping/karyotyping2.html

<span style="color: #000000; font-family: Arial,Helvetica,sans-serif; font-size: 94%;">[|Pedigree analysis]

<span style="color: #000000; font-family: Arial,Helvetica,sans-serif; font-size: 94%;">PKU video

<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 144%;"> Questions you must be able to answer

<span style="color: #000000; font-family: Arial,Helvetica,sans-serif;">Date


 * 1) Describe the symptoms and inheritance of cystic fibrosis.
 * 2) <span style="font-family: arial,helvetica,sans-serif;">Describe the symptoms and inheritance of Huntington's.
 * 3) <span style="font-family: arial,helvetica,sans-serif;">Describe the cause, symptoms, inheritance, detection, and cure for PKU.
 * 4) <span style="font-family: arial,helvetica,sans-serif;">How is it possible for two brown eyed parents to have a child with blue eyes?
 * 5) <span style="font-family: arial,helvetica,sans-serif;">Why is a child more likely to inherit Huntington's if one of their parents has the disorder, than a child is to inherit cystic fibrosis if one of their parent's has the disorder?

Date
 * 1) How many different phenotypes are associated with incomplete dominance inheritance?
 * 2) How many different phenotypes are associated with codominance inheritance?
 * 3) What is the difference between the phenotype of a heterozygous organism in incomplete dominance and codominance inheritance?
 * 4) Describe the symptoms and inheritance of sickle celled anemia?
 * 5) What is the heterozygous advantage?
 * 6) What shaped graph is associated with polygenic inheritance?

Date
 * 1) Give two examples of how environmental factors influence the expression of genes.
 * 2) Give three examples of human characteristics that are polygenically inherited.
 * 3) How many alleles are associated with the inheritance of human blood groups
 * 4) How many alleles do you have determining your blood group?

Date
 * 1) What is a pedigree chart?
 * 2) What is the symbol for a female, male, and carrier?
 * 3) How are married people indicated in a pedigree chart?
 * 4) I f you were using a pedigree chart to follow the inheritance of a dominant disorder would you ever see a carrier represented? Explain your answer.
 * 5) If a trait is sex linked would a pedigree show mainly females or males with the disorder?
 * 6) What are the sex chromosomes found in a boy and a girl?
 * 7) What are autosomes and how many are in your cells?
 * 8) Name two sex linked disorders.
 * 9) Which chromosome is associated with these disorders?
 * 10) Why are males more likely to be color blind than females?

Date 3/22/12
 * 1) What is a karyotype?
 * 2) What is amniocentesis?
 * 3) What is the cause of Down' syndrome?
 * 4) Which female's are most likely to have a child with Down's syndrome?
 * 5) How would you know if a child had Down;s syndrome by looking at a karyotype?