Human Biology: Concepts and Current Issues (8th Edition)
Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 19, Problem 5AWK
Summary Introduction

To review:

The reason as to how a father having blood type A and a mother who is blood type B can have a child with blood type O.

Introduction:

In blood type, two types of alleles are found in each gene and each allele has genotype A, B or O. Out of these genotypes, A and B are dominant while O is recessive. In case genotype A combines with gene A or O, then blood group will be A type because gene A is dominant over O. Similarly if gene B combines with gene B or O then blood group will be B type, because gene B is dominant over O.

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Could a father who has blood type A and a mother who has blood type B possibly have a child who has blood type O? Draw a Punnett square to explain.
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