Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there...
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![Page 1: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/1.jpg)
Multiple Alleles – Blood Type
![Page 2: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/2.jpg)
• Blood Types - Multiple Alleles and Co-dominance• In humans, there are four blood types
(phenotypes): A, B, AB, and O • Blood type is controlled by three alleles. A, B, O • O is recessive, two O alleles must be present for
the person to have type O blood • A and B are co-dominant. If a person receives an
A allele and a B allele, their blood type is type AB • Crosses involving blood type often use an I to
denote the alleles - see chart.
![Page 3: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/3.jpg)
![Page 4: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/4.jpg)
![Page 5: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/5.jpg)
![Page 6: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/6.jpg)
![Page 7: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/7.jpg)
![Page 8: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/8.jpg)
Rh (Rhesus) Factor
• Simple Dominance Trait of an additional RBC surface antigen
• R = Produces the protein• r = does not produce the protein• Rh+ = RR & Rr• Rh- = rr
![Page 9: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/9.jpg)
![Page 10: Multiple Alleles – Blood Type. Blood Types - Multiple Alleles and Co-dominance In humans, there are four blood types (phenotypes): A, B, AB, and O Blood.](https://reader036.fdocuments.us/reader036/viewer/2022082816/56649f445503460f94c65a42/html5/thumbnails/10.jpg)