he four commón blood groups of the human 'ABO blood group that is unable to make any changes to the basic antigen (sugar system' are determined by three alleles: A, B, andO (also molecule. The other two alleles (A, B) are codominant and are represented in some textbooks as: 4, 1º, and 1° or just ). This is expressed equally. They each produce a different functional an example of a multiple allele system for a gene. The ABO enzyme that adds a different, specific sugar to the basic sugar antigens consist of sugars attached to the surface of red blood molecule. The blood group A and B antigens are able to react cells. The alleles code for enzymes (proteins) that join together with antibodies present in the blood from other people and must these sugars. The allele O produces a non-functioning enzyme be matched for transfusion. Recessive allele: O produces a non-functioning protein Dominant allele: A produces an enzyme which forms A antigen Dominant allele: B produces an enzyme which forms B antigen Frequency Blood group Possible (phenotype) genotypes whte Native American Badk 00 45% 49% 79% If a person has the AO allele combination then their blood group will be group A. The presence of the recessive allele has no effect on the blood group in the presence of a dominant allele. Another possible allele combination that can create the same blood group is AA. A AA AO 40% 27% 16% в 11% 20% 4% 1. Use the information above to complete the table for the possible genotypes for blood group B and group AB. AB 4% 4% 1% don N 2. Below are six crosses possible between couples of various blood group types. The first example has been completed for you. Complete the genotype and phenotype for the other five crosses below: Blood Blood Blood Cross 1 Blood group O group: AB group: AB group: 0 Cross 2 Parental
he four commón blood groups of the human 'ABO blood group that is unable to make any changes to the basic antigen (sugar system' are determined by three alleles: A, B, andO (also molecule. The other two alleles (A, B) are codominant and are represented in some textbooks as: 4, 1º, and 1° or just ). This is expressed equally. They each produce a different functional an example of a multiple allele system for a gene. The ABO enzyme that adds a different, specific sugar to the basic sugar antigens consist of sugars attached to the surface of red blood molecule. The blood group A and B antigens are able to react cells. The alleles code for enzymes (proteins) that join together with antibodies present in the blood from other people and must these sugars. The allele O produces a non-functioning enzyme be matched for transfusion. Recessive allele: O produces a non-functioning protein Dominant allele: A produces an enzyme which forms A antigen Dominant allele: B produces an enzyme which forms B antigen Frequency Blood group Possible (phenotype) genotypes whte Native American Badk 00 45% 49% 79% If a person has the AO allele combination then their blood group will be group A. The presence of the recessive allele has no effect on the blood group in the presence of a dominant allele. Another possible allele combination that can create the same blood group is AA. A AA AO 40% 27% 16% в 11% 20% 4% 1. Use the information above to complete the table for the possible genotypes for blood group B and group AB. AB 4% 4% 1% don N 2. Below are six crosses possible between couples of various blood group types. The first example has been completed for you. Complete the genotype and phenotype for the other five crosses below: Blood Blood Blood Cross 1 Blood group O group: AB group: AB group: 0 Cross 2 Parental
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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