Karyotype Worksheet for Mrs. De la Vega

Karyotype Worksheet for Mrs. De la Vega - Hereyougo...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Here you go  Karyotyping Activity In this activity, you will use a computer model to look at chromosomes and prepare a karyotype. You will diagnose patients for abnormalities and learn the correct notation for characterizing karyotypes. Go to www.biology.arizona.edu - click on Karyotyping under human biology. Introduction: 1. What causes a dark band on the chromosome? A karyotype analysis usually involves blocking cells in mitosis and staining the condensed chromosomes with Giemsa dye. The dye stains regions of chromosomes that are rich in the base pairs Adenine (A) and Thymine (T) produce a dark band. 2. What is a centromere? Areas where the two chromatids are joined Patient Histories: *Click on Patient Histories. You will be completing a karyotype for Patient A, B & C Patient A ( Click on the link to "Complete Patient A's Karyotype" ) *Match the chromosome to its homolog. After all the matches are complete you'll analyze your patient. (Scroll down to view your completed karyotype). 3. What is patient A's history (summarize) Patient A is the nearly-full-term fetus of a forty year old female. 4. How many total chromosomes are in your karyotype - count them. 47 The last set of chromosomes is the sex chromosomes, if you have two large chromosomes, your patient is XX (female), one large and one small indicates and XY (male) . What sex chromosomes does your patient have. XX Which chromosome set has an extra + 21 5. What diagnosis would you give this patient (what disease)? Down’s Syndrome Patient B - click on the link to go to Patient B and repeat the above process. 6. What is Patient B's history (summarize)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/21/2011 for the course ENGLISH 103 taught by Professor Gonzalez during the Spring '11 term at New England College.

Page1 / 4

Karyotype Worksheet for Mrs. De la Vega - Hereyougo...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online