write a lab report

timer Asked: Mar 6th, 2018
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Question description

write a lab report , requirement is in the GeneticsLab7Spring2018.pdf document

those are document may help you, the picture is the experiment data

write a lab report
Department of Biological and Environmental Sciences BIO L320 – GENETICS LAB Dr. Jacqueline Jones Laboratory 7 – Blood Typing ABO In this lab we will look at the ABO blood groups. You will perform standard tests to identify blood types. You will also learn the importance of blood type identification and its uses as well as the form and function of blood components. To carry out this lab you MUST read the instructions very carefully and record your results in the data table on the provided sheet. This is located in the lab 7 folder on Blackboard. Briefly, you will be given four different samples of synthetic blood. You must determine the blood type using the materials provided (anti-serum for each blood type). For additional information regarding blood types and agglutination, please refer to PowerPoint slides posted on Blackboard. This lab must be written in a lab report format, which includes the following; cover page, introduction, materials and methods, results and discussion. You must include at least 2 references and they must be cited in the text. If you need assistant please refer to the website I provided earlier in the semester, www.citefast.com. Make sure you use APA format. The data table can be attached to the lab report. However, you are still required to discuss your data. Lab worth: 50 points. Pages needed from lab book: N/A Just print off instructions and the Lab 7 sheet posted in Blackboard. 1
ABO Blood Groups BIOL320 GENETICS LAB RASHMEE SILWAL TROY UNIVERSITY Codominance An allelic relationship in which the phenotype of both alleles are expressed in a heterozygote Comparing Codominance ABO blood group and Codominance • • • • • Human blood type is determined by codominant alleles. There are 3 alleles involved in the human ABO Blood group. They are written as IA, IB, i IA, IB are codominant. i is recessive These 3 alleles can result in 4 phenotypes Red Blood Cell Antigen Genetically determined surface proteins found on the red blood cells Red blood Cell Antibodies • • • Antibody: protein made by your body Antibodies usually bind to foreign substances, such as bacteria and viruses, and destroy them. A red blood cell antibody is one that “attacks” red blood cells. Your red blood cells have certain “markers” on them, called antigens. If your immune system sees a red blood cell antigen that is “foreign” (such as from a blood transfusion), it will make antibodies to destroy it. Agglutination Action of antibody crosslinking with antigens to produce visible clumps which ultimately results into an auto immune reaction resulting in hemolysis Rh Blood Group • • • • Rh blood grouping is decided on the basis of Rh factor. It is the presence of an antigen D. The alleles representing antigen D can be written as D (dominant Rh) and d (recessive Rh). It is either present or absent on the red blood cells. If present, you are a positive blood type and if absent, you are a negative blood type.

Tutor Answer

School: Boston College



Paternity Test Lab
Name of the Student
Name of the Institution





Genetics study of human blood has been commonly used to determine paternity. This is
possible since the antigens from the red blood cells are inherited to the child as dominant traits.
A child inherits blood group antigen present in the parents. This knowledge has been used to
settle claims associated with paternity. Human blood contains three alleles i.e. A, B &O which
are used to settle a claim (Krause, 1971). A child cannot have traits absent in one or both of the
parents. For instance, if the child has blood group A and both mother and the father have blood
group O, the father is excluded in the paternity test.

To determine blood groups for Andrea, June and the 3 possible fathers.

To check whether agglutination occurs when serum of each of the 3 fathers is reacted
with antigens A, B & D (Rhesus factor) of the child.

To determine whether Andrea acquired the wrong child from the hospital.

➢ Blood samples for the persons to be tested
➢ Dropper vials
➢ Wells to retain blood
➢ Color mixing sticks
➢ Blood typing slide
1. We placed a drop of the assigned synthetic blood sample (Andrea, Kim, Baby 1, Baby 2,
or Baby 3) with the help of dropper vial in each of the well (A & B) of the blood typing





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