Codominance pattern of inheritance

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 20QP: Analysis of X-Linked Dominant and Recessive Traits The following is a pedigree for a common genetic...
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Codominance pattern of inheritance: Two equally dominant alleles (IA and IB) and one recessive (i)
Fill in the chart with the missing information. Remember, blood genotypes are indicated with IA IB and i alleles.
#1. a. Write down all of the possible genotypes possible for human blood type. How many?
b. evaluate the difference between genotype and phenotype by filling in the table.

BLOOD
PHENOTYPE
Possible Genotype(s Can donate blood to Can receive blood from:
O     O
AB   AB  (universal recipient)
A     O,A
B   AB, B  
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Codominance pattern of inheritance: Two equally dominant alleles (IA and IB) and one recessive (i)
Fill in the chart with the missing information. Remember, blood genotypes are indicated with IA IB and i alleles.
#1. a. Write down all of the possible genotypes possible for human blood type. How many?

Write the genotype for each person, based on description. You’ll fill in some of this data in the Submission file.
Homozygous for Type B blood _________

Heterozygous for Type A blood ________
Type O Blood ___________

Type A blood and has a parent with Type O ________

Type AB Blood __________

Blood can be given to anyone _________
Heterozygous for Type B blood _________

Homozygous for Type A blood ________
Can only receive blood from a Type O donor ___________

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