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3 years ago

1. What are the genotypes possible for a person who has:

English

1 answer:

77julia77 [94]3 years ago

4 0

Answer:

A - AA/AO

B - BB/BO

O - OO

AB - AB

Explanation:

An individual inherits their blood type from their parents like it inherits many other traits. However, there's something interesting about this.

Blood type O is always recessive, which means that an individual needs to get a copy of the O allele from both of its parents in order to have the blood type O (genotype OO).

Blood types A and B are codominant to each other, which means that the effect of both A and B alleles is expressed if an individual receives them. If an individual receives the A allele from one parent and the B allele from the other, it will have the AB blood type (genotype AB).

Blood types A and B are both dominant to the O allele. This means that an individual can have blood type A or B either by inheriting two copies of the A or B allele or by inheriting one copy of the A or B allele and one copy of the O allele (genotypes AA/AO and BB/BO).

You can take a look at the image below to understand this more easily:

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